sloucher vs doer

sloucher and doer both are nouns.

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

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

Other hypernyms of sloucher include actor, worker.

sloucher (noun)	doer (noun)
a person who slouches; someone with a drooping carriage	a person who acts and gets things done