'Demons' in the Bible

And at even, when the sun did set, they brought unto him all that were sick, and them that were possessed with demons.

And he healed many that were sick with divers diseases, and cast out many demons; and he suffered not the demons to speak, because they knew him.

And he went into their synagogues throughout all Galilee, preaching and casting out demons.

and to have authority to cast out demons:

And the scribes that came down from Jerusalem said, He hath Beelzebub, and, By the prince of the demons casteth he out the demons.

And they come to Jesus, and behold him that was possessed with demons sitting, clothed and in his right mind, even him that had the legion: and they were afraid.

And they that saw it declared unto them how it befell him that was possessed with demons, and concerning the swine.

And as he was entering into the boat, he that had been possessed with demons besought him that he might be with him.

And they cast out many demons, and anointed with oil many that were sick, and healed them.

John said unto him, Teacher, we saw one casting out demons in thy name; and we forbade him, because he followed not us.

Now when he was risen early on the first day of the week, he appeared first to Mary Magdalene, from whom he had cast out seven demons.

And these signs shall accompany them that believe: in my name shall they cast out demons; they shall speak with new tongues;