chaperone vs defender

chaperone and defender both are nouns.

Word	Noun	Adjective	Verb	Adverb
chaperone	Yes	No	Yes	No
defender	Yes	No	No	No

As nouns, defender is a hypernym of chaperone; that is, defender is a word with a broader meaning than chaperone:

chaperone: one who accompanies and supervises a young woman or gatherings of young people
defender: a person who cares for persons or property

Other hypernyms of chaperone include guardian, protector, shielder.

chaperone (noun)	defender (noun)
one who accompanies and supervises a young woman or gatherings of young people	a person who cares for persons or property
	a fighter who holds out against attack

chaperone (verb)	defender (verb)
accompany as a chaperone