单词-ist
suf.: …的信仰者；…的实行者；专业人员；…专家
suff.: 构成名词；动作的实践者；信仰者；“专业人员”
…的信仰者；…的实行者:
a person who believes or practises sth
专业人员；…专家；从事…的人:
a member of a profession or business activity
…使用者:
a person who uses a thing
干…的人:
a person who does sth
“专业人员”:pianist, botanist, dentist, florist
“…主义者”,信仰者: atheist, imperialist, socialist
构成形容词,表示“具有…特性的”:dilettantist
动作的实践者: antagonist, tourist