Satan, also known as the Devil, and sometimes also called Lucifer in Christianity, is an entity in the Abrahamic religions that seduces humans into sin or falsehood. In Judaism, Satan is seen as an agent subservient to Yahweh, typically regarded as a metaphor for the yetzer hara, or “evil inclination.” In Christianity and Islam, he is usually seen as a fallen angel who has rebelled against God, who nevertheless allows him temporary power over the fallen world and a host of demons. In the Quran, Shaitan, also known as Iblis, is an entity made of fire who was cast out of Heaven because he refused to bow before the newly-created Adam and incites humans to sin by infecting their minds with waswās (“evil suggestions”). The original Hebrew term śāṭān (Hebrew: שָׂטָן) is a generic noun meaning “accuser” or “adversary”, which is used throughout the Hebrew Bible to refer to ordinary human adversaries, as well as a specific supernatural entity. The word is derived from a verb meaning primarily “to obstruct, oppose”.