- supporter, protagonist, champion, admirer, booster, friend - a person who backs a politician or a team etc.; "all their supporters came out for the game"; "they are friends of the library"
--1 is a kind of advocate, advocator, proponent, exponent
--1 has particulars: - protagonist, agonist - the principal character in a work of fiction
--2 is a kind of fictional character, fictitious character, character
--2 has particulars: antihero