who is Haile Sellassie?

Context: Haile Selassie I was Emperor of Ethiopia from 1930 to 1974. He rose to power as Regent Plenipotentiary of Ethiopia for Empress Zewditu from 1916. Haile Selassie is widely considered a defining figure in modern Ethiopian history, and the key figure of Rastafari, a religious movement in Jamaica that emerged shortly after he became emperor in the 1930s. He was a member of the Solomonic dynasty, which claims to trace lineage to Emperor Menelik I, believed to be the son of King Solomon and Makeda the Queen of Sheba.

Answer: Haile Selassie (Amharic: ቀዳማዊ ኀይለ ሥላሴ) was a former Emperor of Ethiopia. He ruled the country from 1930 to 1974.  His first name before he became emperor was Ras Teferi Mekonnen. The religion movement, Rastafari, after the name of Ras Teferi Mekonnen, emerged in Jamaica shortly after Haile Selassie became emperor.  His root is from an extended Solomon and Queen of Sheba(Makeda).