Jack of all trades vs doer

Jack of all trades and doer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jack of all trades	Yes	No	No	No
doer	Yes	No	No	No

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

Jack of all trades: a person able to do a variety of different jobs acceptably well
doer: a person who acts and gets things done

Other hypernyms of Jack of all trades include actor, worker.

Jack of all trades (noun)	doer (noun)
a person able to do a variety of different jobs acceptably well	a person who acts and gets things done