Osiris is an important god in ancient Egyptian mythology, known as the god of the afterlife, resurrection, and agriculture. He is often depicted as a green-skinned man, symbolizing rebirth, and is associated with the cycle of life and death. Osiris was believed to have been the first pharaoh of Egypt, who taught people how to farm and live in harmony. The story of Osiris involves his brother Set, who was jealous and killed him. However, Osiris's wife, Isis, used her magic to bring him back to life. This tale symbolizes the eternal cycle of life, death, and rebirth, making Osiris a central figure in Egyptian beliefs about the afterlife.