'Demon' in the Bible

And [after] the demon had been expelled, the one who had been mute spoke, and the crowds were astonished, saying, "{This has never been seen before} in Israel!"

For John came neither eating nor drinking, and they say, 'He has a demon!'

And behold, a Canaanite woman from that district came [and] cried out, saying, "Have mercy on me, Lord, Son of David! My daughter [is] severely possessed by a demon!"

And Jesus rebuked him, and the demon came out of him and the boy was healed from that hour.