-ist
Pronunciation: /əst, ist/
suffix
- 1denoting an adherent of a system of beliefs, principles, etc., expressed by nouns ending in -ism: hedonist BuddhistSee -ism (sense 2).
- denoting a person who subscribes to a prejudice or practices discrimination: sexist

Origin:
from Old French -iste, Latin -ista, from Greek -istēs