repairer vs skilled worker

repairer and skilled worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
repairer	Yes	No	No	No
skilled worker	Yes	No	No	No

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

Other hypernyms of repairer include skilled workman, trained worker.

repairer (noun)	skilled worker (noun)
a skilled worker who mends or repairs things	a worker who has acquired special skills