aviator vs skilled worker

aviator and skilled worker both are nouns.

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

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

Other hypernyms of aviator include skilled workman, trained worker.

aviator (noun)	skilled worker (noun)
someone who operates an aircraft	a worker who has acquired special skills