Satan

noun3

1. •
   the chief evil spirit in several faiths, who tries to make people do bad things

   • Many Satanists reject the notion that Satan is bad.
2. •
   Anything that causes destruction or is viewed as evil.

   • Hrothgar and his eldermen lived happily in Hereot Hall until the day that Grendel, a living fiend out of Hell, a Satan who ruled over swamps and marshes, came stalking toward them. — 1961
3. •
   A demon follower of Satan (principal evil spirit); a fallen angel.

   • This literature refers to a major figurehead of evil called “Satan,” the leader of a group of angels also referred to as “Satans.” These Satans accuse people and lead them astray. — 1992