charmer vs doer

charmer and doer both are nouns.

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

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

Other hypernyms of charmer include actor, worker.

charmer (noun)	doer (noun)
a person who charms others (usually by personal attractiveness)	a person who acts and gets things done
someone with an assured and ingratiating manner