basketball coach vs handler

basketball coach and handler both are nouns.

Word	Noun	Adjective	Verb	Adverb
basketball coach	Yes	No	No	No
handler	Yes	No	No	No

As nouns, handler is a hypernym of basketball coach; that is, handler is a word with a broader meaning than basketball coach:

Other hypernyms of basketball coach include coach, manager.

basketball coach (noun)	handler (noun)
a coach of basketball players	(sports) someone in charge of training an athlete or a team
	one who trains or exhibits animals
	an agent who handles something or someone