Refers to a person who uses supernatural powers, often with a dark or mysterious connotation. Gender-neutral; context determines whether 'sorcerer' or 'sorceress' is appropriate.
The sorcerer was feared by the villagers.
Compound of 妖術 (black magic, sorcery) and 者 (person). The exact historical derivation is uncertain, but the word follows a common pattern for naming practitioners of an art.