aviator vs trained worker

aviator and trained worker both are nouns.

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

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

Other hypernyms of aviator include skilled worker, skilled workman.

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