protagonist
1. [ noun ] a person who backs a politician or a team etc.
Synonyms: supporter admirer booster friend champion
Examples:

"all their supporters came out for the game" "they are friends of the library"

Related terms: advocate convert Confederate loyalist free_trader enthusiast believer seconder subscriber Francophile Whig Jacobite functionalist Cavalier verifier Shavian maintainer sympathizer philhellene boswell new_dealer toaster anglophile Roundhead pillar cheerleader promote defend back
2. [ noun ] (writing) the principal character in a work of fiction
Synonyms: agonist
Related terms: fictional_character antihero
Similar spelling:   protistan
  protestation
  protectionist
  Pritzelago
  Protista
  protectionism
  protactinium
  protoctist
  Protestant