Rastafari, sometimes termed Rastafarianism, is an Abrahamic religion. Classified as a new religious movement, it developed in Jamaica during the 1930s. It lacks any centralised authority and there is much heterogeneity among practitioners, who are known as Rastafari, Rastafarians, or Rastas.
Can we infer the following?
Rastafaris has been around since the beginning of the 3rd decade of the 20th century
Yes