-ist
/ɪst/suffix
forming personal nouns and some related adjectives 构成人称名词及相关形容词：
1
- denoting an adherent of a system of beliefs, principles, etc. expressed by nouns ending in -ism表示“…主义者”, “…信仰者”：
hedonist
Marxist.
见-ISM.
1.1
- denoting a person who subscribes to a prejudice or practises discrimination表示“有偏见或有歧视的人”：
sexist.
2
- denoting a member of a profession or business activity表示“专业人员”, “从事…的人”：
dentist
dramatist
florist.
2.1
- denoting a person who uses a thing表示“使用…的人”：
flautist
motorist.
2.2
- denoting a person who does something expressed by a verb ending in ize［用于作出以-ize结尾动词的动作者］表示“…的实施者”：
plagiarist.
词源
from Old French -iste, Latin -ista, from Greek -istēs.