rebel vs mutiny

rebel and mutiny both are nouns.

Word	Noun	Adjective	Verb	Adverb
rebel	Yes	No	Yes	No
mutiny	Yes	No	Yes	No

As verbs, mutiny is a hyponym of rebel; that is, mutiny is a word with a more specific, narrower meaning than rebel:

Other hyponyms of rebel include revolt.

rebel (noun)	mutiny (noun)
a person who takes part in an armed rebellion against the constituted authority (especially in the hope of improving conditions)	open rebellion against constituted authority (especially by seamen or soldiers against their officers)
someone who exhibits great independence in thought and action

rebel (verb)	mutiny (verb)
take part in a rebellion; renounce a former allegiance	engage in a mutiny against an authority
break with established customs