Abba Samuel Wolde Kahin (also spelled Walda Kahen; Amharic: አባ ሳሙኤል ወልደ ካህን) was the tutor and mentor of Ras Tafari Makonnen (later Emperor Haile Selassie I) and his cousin, Ras Imru Haile Selassie, when the two were children living at Harar, ca. 1902-1912. According to historian H.G. Marcus, this association had caused some suspicion among the nobles that Ras Tafari was leaning toward Catholicism himself, which suspicion he allayed by undergoing a rare second Ethiopian Orthodox rite of baptism in 1906. As remembered by the future Emperor in his autobiography,