NPC (Non-Player Character) villages are inhabited by Villagers. In Villageswith 10 houses or more, there is an Iron Golem guarding it from mobs.
Villagers are passive mobs that inhabit Villages. ther are different variants of Villager, including Farmer(brown robe), Libarian( write robe), Priest (purple robe), Blacksmith ( black apron), Butcher ( white robe), and Nitwit ( green robe ). A villagers trade depends on their occupation.