protester Meaning, Definition & Usage

  1. noun a person who dissents from some established policy
    contestant; objector; dissident; dissenter.
  2. noun someone who participates in a public display of group feeling
    demonstrator.

WordNet


Pro*test"er noun
Definitions
  1. One who protests; one who utters a solemn declaration. Shak.
  2. (Law) One who protests a bill of exchange, or note.

Webster 1913