sailor vs skilled worker

sailor and skilled worker both are nouns.

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

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

Other hypernyms of sailor include skilled workman, trained worker.

sailor (noun)	skilled worker (noun)
a stiff hat made of straw with a flat crown	a worker who has acquired special skills
any member of a ship's crew
a serviceman in the navy