'Demon' in the Bible

And as they went forth, behold, there was brought to him a dumb man possessed with a demon.

And when the demon was cast out, the dumb man spake: and the multitudes marvelled, saying, It was never so seen in Israel.

For John came neither eating nor drinking, and they say, He hath a demon.

Then was brought unto him one possessed with a demon, blind and dumb: and he healed him, insomuch that the dumb man spake and saw.

And behold, a Canaanitish woman came out from those borders, and cried, saying, Have mercy on me, O Lord, thou son of David; my daughter is grievously vexed with a demon.

And Jesus rebuked him; and the demon went out of him: and the boy was cured from that hour.