restorer vs skilled workman

restorer and skilled workman both are nouns.

Word	Noun	Adjective	Verb	Adverb
restorer	Yes	No	No	No
skilled workman	Yes	No	No	No

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

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

Other hypernyms of restorer include skilled worker, trained worker.

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