The word for today is…
protagonist (noun):
1a(1): the principal character in a literary work (such as a drama or story)
(2): the leading actor or principal character in a television show, movie, book, etc.
b: an active participant in an event
2: a leader, proponent, or supporter of a cause : champion
Source : Merriam -Webster
Etymology : Struggle, or conflict, is central to drama. The protagonist or hero of a play, novel, or film is involved in a struggle of some kind, either against someone or something else or even against his or her own emotions. So the hero is the "first struggler", which is the literal meaning of the Greek word prōtagōnistēs. A character who opposes the hero is the antagonist, from a Greek verb that means literally "to struggle against".
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