abjurer vs doer

abjurer and doer both are nouns.

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

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

Other hypernyms of abjurer include actor, worker.

abjurer (noun)	doer (noun)
a person who abjures	a person who acts and gets things done