sailor vs skilled workman

sailor and skilled workman both are nouns.

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

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

Other hypernyms of sailor include skilled worker, trained worker.

sailor (noun)	skilled workman (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