- One taking part in a public protest - Rally participant - One who demonstrates; one who proves anything with
certainty, or establishes it by indubitable evidence. - A teacher of practical anatomy.
- The act of making a protest; a public avowal; a
solemn declaration, especially of dissent. - Formerly, a declaration in common-law pleading, by
which the party interposes an oblique allegation or denial of some
fact, protesting that it does or does not exist, and at the same time
avoiding a direct affirmation or denial.