The chief functions of Satan are, as already noted, those of temptation, accusation, and punishment. He was an active agent in the fall of man (Pirḳe R. El. xiii., beginning), and was the father of Cain (ib. xxi.), while he was ... instrumental in the offering of Isaac (Tan., Wayera, 22 [ed. Stettin, p. 39a]), in the release of the animal destined by Esau for his father (Tan., Toledot, 11), in the theophany at Sinai, in the death of Moses (Deut. R. xiii.