Synonyms of champions

1 Syllable
champ
2 Syllables
hero, ally, victor, warrior, guardian, backer, winner, patron
3 Syllables
nonpareil, partisan, upholder, expounder, conqueror, paladin, proponent, protector, supporter, endorser, exponent, heroine, challenger, medalist, vanquisher, defender
4 Syllables
advocate, sympathizer, vindicator, titleholder