What is the meaning of -ist?

Added to words to form nouns denoting:

  1. a person who studies or practices a particular discipline;

    a person who studies or practices a particular discipline;

    a person who uses a device of some kind;

    one who engages in a particular type of activity;

    one who suffers from a specific condition or syndrome

    one who subscribes to a particular theological doctrine or religious denomination;

    one who has a certain ideology or set of beliefs;

    one who owns or manages something;

    a person who holds bigoted, partial views.

    appended to a word, it yields a noun which signifies the subject who performs something related to that word

    -ist

    Alternative form of -est

    used to form nouns, usually relating to people.

    used to form nouns, usually relating to people.

    -ist

    Suffix appended to words to create a masculine noun, usually denoting a follower or a profession. Chiefly used for loanwords.

    -ist

    Source: wiktionary.org