Rastafarian vs disciple

Rastafarian and disciple both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rastafarian	Yes	Yes	No	No
disciple	Yes	No	No	No

As nouns, disciple is a hypernym of Rastafarian; that is, disciple is a word with a broader meaning than Rastafarian:

Other hypernyms of Rastafarian include adherent.

Rastafarian (noun)	disciple (noun)
(Ethiopia) adherents of an African religion that regards Ras Tafari as divine	someone who believes and helps to spread the doctrine of another
follower of Rastafarianism

Rastafarian (adjective)	disciple (adjective)
of or pertaining to or characteristic of Rastafarianism or Rastafarians