Rastas vs Rastafarian

Rastas and Rastafarian both are nouns.

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

Rastas (noun)	Rastafarian (noun)
(Jamaica) a Black youth subculture and religious movement that arose in the ghettos of Kingston, Jamaica, in the 1950s; males grow hair in long dreadlocks and wear woolen caps; use marijuana and listen to reggae music	(Ethiopia) adherents of an African religion that regards Ras Tafari as divine
	follower of Rastafarianism

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