calligraphist vs trained worker

calligraphist and trained worker both are nouns.

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

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

Other hypernyms of calligraphist include skilled worker, skilled workman.

calligraphist (noun)	trained worker (noun)
someone skilled in penmanship	a worker who has acquired special skills