painter vs trained worker

painter and trained worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
painter	Yes	No	No	No
trained worker	Yes	No	No	No

As nouns, trained worker is a hypernym of painter; that is, trained worker is a word with a broader meaning than painter:

Other hypernyms of painter include skilled worker, skilled workman.

painter (noun)	trained worker (noun)
large American feline resembling a lion	a worker who has acquired special skills
a line that is attached to the bow of a boat and used for tying up (as when docking or towing)
an artist who paints
a worker who is employed to cover objects with paint