appreciator vs doer

appreciator and doer both are nouns.

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

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

Other hypernyms of appreciator include actor, worker.

appreciator (noun)	doer (noun)
a person who is fully aware of something and understands it	a person who acts and gets things done