warrior vs brave

warrior and brave both are nouns.

Word	Noun	Adjective	Verb	Adverb
warrior	Yes	No	No	No
brave	Yes	Yes	Yes	No

As nouns, brave is a hyponym of warrior; that is, brave is a word with a more specific, narrower meaning than warrior:

Other hyponyms of warrior include centurion, Crusader, guerilla, guerrilla, insurgent, irregular, samurai.

warrior (noun)	brave (noun)
someone engaged in or experienced in warfare	people who are brave
	a North American Indian warrior

warrior (adjective)	brave (adjective)
	possessing or displaying courage; able to face and deal with danger or fear without flinching
	invulnerable to fear or intimidation
	brightly colored and showy

warrior (verb)	brave (verb)
	face and withstand with courage