pressman vs skilled worker

pressman and skilled worker both are nouns.

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

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

Other hypernyms of pressman include skilled workman, trained worker.

pressman (noun)	skilled worker (noun)
someone whose occupation is printing	a worker who has acquired special skills
a male journalist employed to provide news stories for newspapers or broadcast media