fumigator vs skilled worker

fumigator and skilled worker both are nouns.

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

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

Other hypernyms of fumigator include skilled workman, trained worker.

fumigator (noun)	skilled worker (noun)
a device that generates a gas for the purpose of disinfecting or eradicating pests	a worker who has acquired special skills
someone whose job is to fumigate