artisan vs trained worker

artisan and trained worker both are nouns.

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

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

Other hypernyms of artisan include skilled worker, skilled workman.

artisan (noun)	trained worker (noun)
a skilled worker who practices some trade or handicraft	a worker who has acquired special skills