captive vs unfortunate

captive and unfortunate both are nouns.

Word	Noun	Adjective	Verb	Adverb
captive	Yes	Yes	No	No
unfortunate	Yes	Yes	No	No

As nouns, unfortunate is a hypernym of captive; that is, unfortunate is a word with a broader meaning than captive:

Other hypernyms of captive include unfortunate person.

captive (noun)	unfortunate (noun)
an animal that is confined	a person who suffers misfortune
a person who is confined; especially a prisoner of war
a person held in the grip of a strong emotion or passion

captive (adjective)	unfortunate (adjective)
giving or marked by complete attention to	not favored by fortune; marked or accompanied by or resulting in ill fortune
being in captivity	not auspicious; boding ill
	unsuitable or regrettable