victor vs belligerent

victor and belligerent both are nouns.

Word	Noun	Adjective	Verb	Adverb
victor	Yes	No	No	No
belligerent	Yes	Yes	No	No

As nouns, belligerent is a hypernym of victor; that is, belligerent is a word with a broader meaning than victor:

Other hypernyms of victor include battler, combatant, fighter, scrapper.

victor (noun)	belligerent (noun)
the contestant who wins the contest	someone who fights (or is fighting)
a combatant who is able to defeat rivals

victor (adjective)	belligerent (adjective)
	characteristic of an enemy or one eager to fight
	engaged in war