Synonyms: agonist, protagonist
Definition: the principal character in a work of fiction
Similar words: fictional character, fictitious character, character
Definition: an imaginary person represented in a work of fiction (play or film or story)
Usage: she is the main character in the novel
Synonyms: supporter, friend, admirer, protagonist, booster, champion
Definition: a person who backs a politician or a team etc.
Usage: all their supporters came out for the game; they are friends of the library
Similar words: advocate, advocator, proponent, exponent
Definition: a person who pleads for a cause or propounds an idea