achiever vs doer

achiever and doer both are nouns.

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

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

Other hypernyms of achiever include actor, worker.

achiever (noun)	doer (noun)
a person with a record of successes	a person who acts and gets things done