Hemaka Oliveresi, (-2928, ?) was a farmer in Engaruka.
Hemaka believed in Shamanism.
He lived a life of absolute poverty. Eating or sleeping in a safe place was a constant struggle. He was considered as belonging to the lowest caste. However, he made some friends among it. He had only a basic knowledge that summed up to a few oral stories from childhood. He was vigorous, muscular, and had a near perfect body. He was considered strong-willed, a leader at heart.