Vindicator

A vindicator is a hostile mob, and one of the two "Illagers", the other being the evoker.

Through natural generation
Vindicators spawn inside naturally generated woodland mansions in groups of 2–3, alongside evokers and other hostile mobs.

Drops
Vindicators will, on rare occasions, drop undamaged iron axes, as well as 0–1 emeralds.

Behavior
Vindicators are hostile to both players and villagers. They will try to attack them with an iron axe, similar to a zombie's attack. When in pursuit of their target they will sprint toward them.

Data values
Vindicators have entity data associated with them that contain various properties of the mob. Their entity ID is.