warrior — a person engaged or experienced in warfare; soldier.
Four-or-more syllable rhymes
alligators — either of two broad-snouted crocodilians of the genus Alligator, of the southeastern U.S. and eastern China.
gladiator — (in ancient Rome) a person, often a slave or captive, who was armed with a sword or other weapon and compelled to fight to the death in a public arena against another person or a wild animal, for the entertainment of the spectators.