pisser vs doer

pisser and doer both are nouns.

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

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

Other hypernyms of pisser include actor, worker.

pisser (noun)	doer (noun)
a very disagreeable difficulty	a person who acts and gets things done
a person who urinates