Learn how to say Rastafarianism correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word Rastafarian:
relating to a religious movement of Jamaican origin holding that Emperor Haile Selassie of Ethiopia was the Messiah and that blacks are the chosen people and will eventually return to their African homeland.
a member of the Rastafarian religious movement. Rastafarians have distinctive codes of behaviour and dress, including the wearing of dreadlocks and the smoking of cannabis, and they follow a diet that excludes pork, shellfish, and milk.