The correct answer is D.
A griot is a West African storyteller, singer, musician and oral historian.
The griot keeps record of all the births, deaths and marriages through the generations of the village or family. They are usually very good orators, musicians and lyricists.
A griot is a social commentator and a person of high regard and reference. He is responsible of passing the history of the tribe to the next generation, teaching the young about their culture and customs and the interpretation of current events.