The Deliverer is a historical member of Demon Cycle.
He is the one who will beat all the demons and is the the person who teaches people how to fight to demons. In the First Demons War, The Deliverer lead human army by the Creator's call and he destroyed all demons in the World. Thanks to him, demons did not come anymore to kill humans. He was the one who taught humans the wards of fighting and protection.
This myth has several versions but all agree he was a general and great leader of men.