How did the angels disobey God?
The study of the evil spirit is the science of demonology. As we enter this dark ocean, it is important to understand our vocabulary. Since the dawn of revealed history, believers in the one true God have used four principal names for the angels who fell from Divine friendship. They are called demons, or devils, or Satan, or Lucifer. Demon. Literally the Latin word daemon means spirit, it comes from the Greek word daimon which means a god, or a genius or a spirit. Christianity has always associated demons with evil spirits. Implicit in the pagan word demon is a spirit between gods and men. In the New Testament, a demon is the same as an evil spirit. It means a malevolent, invisible being which the pre-Christian word demon did not imply. A word of comment might be added here to note that in polytheistic religions there are malevolent deities. As Christians you would identify these evil gods as demons. Devil. As understood in the Gospels, the devil is an evil spirit, especially the chief
