artificer vs trained worker

artificer and trained worker both are nouns.

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

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

Other hypernyms of artificer include skilled worker, skilled workman.

artificer (noun)	trained worker (noun)
a skilled worker who practices some trade or handicraft	a worker who has acquired special skills
someone who is the first to think of or make something
an enlisted man responsible for the upkeep of small arms and machine guns etc.