'Demons' in the Bible

And certain of the Epicurean and of the Stoic philosophers, were meeting together to see him, and some were saying, 'What would this seed picker wish to say?' and others, 'Of strange demons he doth seem to be an announcer;' because Jesus and the rising again he did proclaim to them as good news,

So Paul, standing in the center of the Areopagus, said: “Men of Athens, I observe [with every turn I make throughout the city] that you are very religious and devout in all respects.

Then some Jews who went around trying to drive out demons attempted to use the name of the Lord Jesus on those who had evil spirits, saying, "I command you by that Jesus whom Paul preaches!"