enemy vs resister

enemy and resister both are nouns.

Word	Noun	Adjective	Verb	Adverb
enemy	Yes	No	No	No
resister	Yes	No	No	No

As nouns, resister is a hypernym of enemy; that is, resister is a word with a broader meaning than enemy:

enemy: an armed adversary (especially a member of an opposing military force)
resister: someone who offers opposition

Other hypernyms of enemy include adversary, antagonist, opponent, opposer.

enemy (noun)	resister (noun)
an opposing military force	someone who systematically obstructs some action that others want to take
any hostile group of people	someone who offers opposition
an armed adversary (especially a member of an opposing military force)
a personal enemy