Basic Farmer (11 trades): wheat, carrots, potatoes, melons, pumpkins, seeds
/summon Villager ~ ~1 ~ {CustomName:"Crop Farmer",CustomNameVisible:1,Profession:0,Career:1,CareerLevel:15,Willing:1,Invulnerable:1,Offers:{Recipes:[{rewardExp:1b,maxUses:10000,uses:0,buy:{id:wheat_seeds,Count:64},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:wheat,Count:22},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:potato,Count:20},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:carrot,Count:20},sell:{}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:poisonous_potato,Count:8},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:pumpkin,Count:16},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:melon_block,Count:8},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:2},sell:{id:carrot,Count:8}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:2},sell:{id:potato,Count:8}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:4},sell:{id:pumpkin_seeds,Count:4}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:1},sell:{id:melon_seeds,Count:4}}]}}
Advanced Crop Farmer (10 trades): sugarcane, chorus, nether wart, mushrooms
/summon Villager ~ ~1 ~ {CustomName:"Adv. Crop Farmer",CustomNameVisible:1,Profession:0,Career:1,CareerLevel:15,Invulnerable:1,Willing:1,Offers:{Recipes:[{rewardExp:1b,maxUses:10000,uses:0,buy:{id:sugar,Count:31},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:nether_wart,Count:24},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:chorus_fruit,Count:26},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:brown_mushroom,Count:12},buyB:{id:red_mushroom,Count:6},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:2},sell:{id:reeds,Count:6}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:3},sell:{id:nether_wart,Count:2}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:3},sell:{id:chorus_flower,Count:2}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:chorus_fruit,Count:28},buyB:{id:emerald,Count:3},sell:{id:chorus_fruit_popped,Count:64}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:brown_mushroom,Count:8},buyB:{id:emerald,Count:1},sell:{id:red_mushroom,Count:8}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:red_mushroom,Count:8},buyB:{id:emerald,Count:1},sell:{id:brown_mushroom,Count:8}}]}}
Crop Converter (8 trades): carrot/apple/melon - gold apple/ gold carrot/glistening melon, hoes, bones.
/summon Villager ~ ~1 ~ {CustomName:"Crop Converter",CustomNameVisible:1,Profession:0,Career:1,CareerLevel:15,Invulnerable:1,Willing:1,Offers:{Recipes:[{rewardExp:1b,maxUses:10000,uses:0,buy:{id:carrot,Count:3},buyB:{id:emerald,Count:4},sell:{id:golden_carrot,Count:3}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:melon,Count:3},buyB:{id:emerald,Count:4},sell:{id:speckled_melon,Count:3}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:apple,Count:2},buyB:{id:emerald,Count:8},sell:{id:golden_apple,Count:2}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:apple,Count:8},buyB:{id:emerald,Count:24},sell:{id:golden_apple,Damage:1,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:1},sell:{id:bone,Count:16}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:5},sell:{id:iron_hoe,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:12},sell:{id:diamond_hoe,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:diamond_hoe,Count:1},buyB:{id:emerald,Count:16},sell:{id:diamond_hoe,Count:1,tag:{Unbreakable:1,display:{Name:"Villager Hoe",Lore:[An unbreakable hoe., Great for combat.]}}}}]}}
Wood Farmer (16 trades): saplings (x6), wood (x6).
/summon Villager ~ ~1 ~ {CustomName:"Wood Farmer",CustomNameVisible:1,Profession:0,Career:1,CareerLevel:15,Invulnerable:1,Willing:1,Offers:{Recipes:[{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:2},sell:{id:log,Count:32}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:2},sell:{id:log,Damage:2,Count:32}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:2},sell:{id:log,Damage:1,Count:32}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:2},sell:{id:log,Damage:3,Count:32}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:2},sell:{id:log2,Damage:1,Count:32}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:2},sell:{id:log2,Count:32}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:3},sell:{id:sapling,Damage:1,Count:4}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:3},sell:{id:sapling,Damage:3,Count:4}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:3},sell:{id:sapling,Damage:5,Count:4}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:3},sell:{id:sapling,Damage:4,Count:4}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:sapling,Count:32},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:sapling,Damage:2,Count:32},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:sapling,Damage:1,Count:32},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:sapling,Damage:3,Count:16},sell:{id:emerald,Count:2}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:sapling,Damage:5,Count:16},buyB:{id:emerald,Count:1},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:sapling,Damage:4,Count:32},sell:{id:emerald,Count:1}}]}}
Butcher (11 trades): raw meat - cooked meat (x5), raw meat (x5), cooked meat
/summon Villager ~ ~1 ~ {CustomName:"Butcher",CustomNameVisible:1,Profession:4,Career:1,CareerLevel:15,Willing:1,Offers:{Recipes:[{rewardExp:1b,maxUses:10000,uses:0,buy:{id:mutton,Count:16},sell:{id:emerald_ore,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:chicken,Count:16},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:beef,Count:16},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:porkchop,Count:14},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:rabbit,Count:14},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:emerald,Count:1},sell:{id:cooked_beef,Count:16}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:mutton,Count:36},buyB:{id:emerald,Count:3},sell:{id:cooked_mutton,Count:64}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:beef,Count:36},buyB:{id:emerald,Count:3},sell:{id:cooked_beef,Count:64}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:chicken,Count:32},buyB:{id:emerald,Count:3},sell:{id:cooked_chicken,Count:64}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:porkchop,Count:32},buyB:{id:emerald,Count:3},sell:{id:cooked_porkchop,Count:64}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:rabbit,Count:28},buyB:{id:emerald,Count:3},sell:{id:cooked_rabbit,Count:64}}]},Invulnerable:1}
Breeder (10 trades) : spawn eggs (pig, cow, sheep, rabbit, chicken, horse, creeper, skeleton, ocelot, wolf)
/summon Villager ~ ~1 ~ {CustomName:"Breeder",CustomNameVisible:1,Profession:4,Career:1,CareerLevel:1,Offers:{Recipes:[{rewardExp:1b,maxUses:10000,uses:0,buy:{id:porkchop,Count:36},buyB:{id:emerald,Count:36},sell:{id:spawn_egg,Damage:90,Count:2}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:mutton,Count:40},buyB:{id:emerald,Count:40},sell:{id:spawn_egg,Damage:91,Count:2}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:chicken,Count:40},buyB:{id:emerald,Count:40},sell:{id:spawn_egg,Damage:93,Count:2}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:beef,Count:48},buyB:{id:emerald,Count:48},sell:{id:spawn_egg,Damage:92,Count:2}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:rabbit,Count:24},buyB:{id:emerald,Count:48},sell:{id:spawn_egg,Damage:101,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:bone,Count:56},buyB:{id:emerald,Count:56},sell:{id:spawn_egg,Damage:95,Count:4}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:fish,Count:56},buyB:{id:emerald,Count:56},sell:{id:spawn_egg,Damage:98,Count:4}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:saddle,Count:1},buyB:{id:emerald,Count:64},sell:{id:spawn_egg,Damage:100,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:gunpowder,Count:36},buyB:{id:emerald,Count:36},sell:{id:spawn_egg,Damage:50,Count:12}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:spectral_arrow,Count:36},buyB:{id:emerald,Count:36},sell:{id:spawn_egg,Damage:51,Count:6}}]}}
Leatherworker (9 trades): leather, saddles
/summon Villager ~ ~1 ~ {CustomName:"Leatherworker",CustomNameVisible:1,Profession:4,Career:0,Willing:1,Offers:{Recipes:[{rewardExp:1b,maxUses:10000,uses:0,buy:{id:leather,Count:8},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:leather_helmet,Count:1},buyB:{id:leather_helmet,Count:1},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:leather_chestplate,Count:1},buyB:{id:leather_chestplate,Count:1},sell:{id:emerald,Count:2}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:leather_leggings,Count:1},buyB:{id:leather_leggings,Count:1},sell:{id:emerald,Count:2}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:leather_boots,Count:1},buyB:{id:leather_boots,Count:1},sell:{id:emerald,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:rotten_flesh,Count:14},buyB:{id:emerald,Count:2},sell:{id:leather,Count:14}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:leather,Count:16},buyB:{id:emerald,Count:7},sell:{id:saddle,Count:1}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:leather_boots,Count:1},buyB:{id:emerald,Count:40},sell:{id:leather_boots,Count:1,tag:{ench:[{id:9,lvl:4},{id:34,lvl:3},{id:70,lvl:1}],display:{Name:"Frosty Boots",Lore:[Magical boots that create ice,in a much larger range than,normal frost walker boots.],color:4259839}}}},{rewardExp:1b,maxUses:10000,uses:0,buy:{id:leather,Count:4},buyB:{id:emerald,Count:14},sell:{id:name_tag,Count:2}}]}}