stage crew vs gang

stage crew and gang both are nouns.

Word	Noun	Adjective	Verb	Adverb
stage crew	Yes	No	No	No
gang	Yes	No	Yes	No

As nouns, gang is a hypernym of stage crew; that is, gang is a word with a broader meaning than stage crew:

stage crew: crew of workers who move scenery or handle properties in a theatrical production
gang: an organized group of workmen

Other hypernyms of stage crew include crew, work party.

stage crew (noun)	gang (noun)
crew of workers who move scenery or handle properties in a theatrical production	tool consisting of a combination of implements arranged to work together
	an organized group of workmen
	an association of criminals
	an informal body of friends

stage crew (verb)	gang (verb)
	act as an organized group