passer vs doer

passer and doer both are nouns.

Word	Noun	Adjective	Verb	Adverb
passer	Yes	No	No	No
doer	Yes	No	No	No

As nouns, doer is a hypernym of passer; that is, doer is a word with a broader meaning than passer:

passer: a person who passes as a member of a different ethnic or racial group
doer: a person who acts and gets things done

Other hypernyms of passer include actor, worker.

passer (noun)	doer (noun)
(football) a ball carrier who tries to gain ground by throwing a forward pass	a person who acts and gets things done
a person who passes by casually or by chance
a student who passes an examination
a person who passes as a member of a different ethnic or racial group