restorer vs trained worker

restorer and trained worker both are nouns.

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

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

restorer: a skilled worker who is employed to restore or refinish buildings or antique furniture
trained worker: a worker who has acquired special skills

Other hypernyms of restorer include skilled worker, skilled workman.

restorer (noun)	trained worker (noun)
a skilled worker who is employed to restore or refinish buildings or antique furniture	a worker who has acquired special skills