deserter vs quitter

deserter and quitter both are nouns.

Word	Noun	Adjective	Verb	Adverb
deserter	Yes	No	No	No
quitter	Yes	No	No	No

As nouns, quitter is a hypernym of deserter; that is, quitter is a word with a broader meaning than deserter:

deserter: a disloyal person who betrays or deserts his cause or religion or political party or friend etc.
quitter: a person who gives up too easily

deserter (noun)	quitter (noun)
a person who abandons their duty (as on a military post)	a person who gives up too easily
a disloyal person who betrays or deserts his cause or religion or political party or friend etc.