Jack of all trades vs worker

Jack of all trades and worker both are nouns.

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

As nouns, worker is a hypernym of Jack of all trades; that is, worker 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
worker: a person who acts and gets things done

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

Jack of all trades (noun)	worker (noun)
a person able to do a variety of different jobs acceptably well	sterile member of a colony of social insects that forages for food and cares for the larvae
	a person who works at a specific occupation
	a member of the working class (not necessarily employed)
	a person who acts and gets things done