printer vs trained worker

printer and trained worker both are nouns.

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

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

Other hypernyms of printer include skilled worker, skilled workman.

printer (noun)	trained worker (noun)
a machine that prints	a worker who has acquired special skills
(computer science) an output device that prints the results of data processing
someone whose occupation is printing