Protagonist

n.

1.

One who takes the leading part in a drama; hence, one who takes lead in some great scene, enterprise, conflict, or the like. Shakespeare, the protagonist on the great of modern poetry. - De Quincey.

Noun	1.	protagonist - a person who backs a politician or a team etc.; "all their supporters came out for the game"; "they are friends of the library" Synonyms: admirer, booster, supporter, champion, friend
	2.	protagonist - the principal character in a work of fiction Synonyms: agonist

Maecenas, abettor, actor, admirer, advocate, aficionado, angel, antagonist, antihero, apologist, backer, bit, bit part, buff, cast, champion, character, cue, danseur noble, defender, dependence, diva, encourager, endorser, exponent, fan, fat part, favorer, feature attraction, feeder, first tragedian, friend at court, headliner, heavy, heavy lead, hero, heroine, ingenue, jeune premier, lead, lead role, leader, leading lady, leading man, leading woman, lines, lover, mainstay, maintainer, moving spirit, paranymph, part, partisan, patron, person, personage, piece, prima ballerina, prima donna, prime mover, principal, promoter, reliance, role, second, seconder, sectary, side, sider, singer, soubrette, sponsor, stalwart, standard-bearer, standby, star, straight part, superstar, support, supporter, supporting character, supporting role, sustainer, sympathizer, title role, upholder, villain, votary, walk-on, walking part, well-wisher