conditioner vs handler

conditioner and handler both are nouns.

Word	Noun	Adjective	Verb	Adverb
conditioner	Yes	No	No	No
handler	Yes	No	No	No

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

Other hypernyms of conditioner include coach, manager.

conditioner (noun)	handler (noun)
exercise that conditions the body	(sports) someone in charge of training an athlete or a team
a substance used in washing (clothing or hair) to make things softer	one who trains or exhibits animals
a trainer of athletes	an agent who handles something or someone