Rastafarian n.

"member of the Rastafarian sect," 1955 (Rastafarite is found from 1953), from Rastafari, Jamaican religion built around writings of Marcus Garvey and the belief that Haile Selassie (1892-1975), emperor of Ethiopia, was God. From Ras Tafari, Selassie's title from 1916 to his accession in 1936, from Amharic ras "chief, head" (from Arabic ra's) + tafari "to be feared." As an adjective from 1960.