Meaning of -IST in English

I. noun suffix Etymology: French ~e, from Latin ~a, ~es, from Greek ~ēs, from verbs in -izein -ize 1. one that performs a (specified) action , one that plays a (specified) musical instrument , one that operates a (specified) mechanical instrument or contrivance , one that specializes in a (specified) art or science or skill , one that adheres to or advocates a (specified) doctrine or system or code of behavior , II. adjective suffix of, relating to, or characteristic of

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.