Can the forum's christians see the demons in other people?

[John V]

So there is another reason for Satan, other than to be 'the bad guy'? Is there anything Satan can do good in god's eyes, and if not, then what other reason does he have for creating him? (and how would you know?)

I don't know. Neither do you. That doesn't justify a conclusion that Satan was only created for the single purpose noted. Personally, I think that God likely made covenants with Satan as he has with men. We're not privy to them as we don't need to be. Seems arrogant to think that everything revolves around us when we no so little of the angelic beings.