Synonyms for Rastas (same or very similar meaning)
WordNet sense 1 (a Black youth subculture and religious movement that arose in the ghettos of Kingston, Jamaica, in the 1950s; Rastafarians regard Ras Tafari as divine; males grow hair in long dreadlocks and wear woolen caps; use marijuana and listen to reggae music):
RastafariFrom the ODE community, based on WordNetadd/edit