galvanizer vs skilled worker

galvanizer and skilled worker both are nouns.

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

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

Other hypernyms of galvanizer include skilled workman, trained worker.

galvanizer (noun)	skilled worker (noun)
a leader who stimulates and excites people to action	a worker who has acquired special skills
a skilled worker who coats iron or steel with zinc