This villager just make weapons.
1 stick+1 emerald = 1 wooden sword
1 stick+2 emeralds = 1 stone sword
1 stick+1 emerald = 1 gold sword
1 stick+3 emeralds = 1 iron sword
1 stick+5 emeralds = 1 diamond sword
10 bricks = 1 emerald (you can change "brick" by whatever you want)