calligraphist vs skilled worker

calligraphist and skilled worker both are nouns.

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

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

Other hypernyms of calligraphist include skilled workman, trained worker.

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