Have you ever believed a lie?
I have ... the devil is just one angel, but he has all of these workers of iniquity working for him. If the devil couldn't deceive you ... he wouldn't try now would he.
Todd Bentley and Lakeland, Florida healing revival comes to mind, which I have chronicled here:
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The devil's true name is the hinderer ... a hindrance to our ability to perceive God's perfect will.
Dr Stanley a well known good Baptist preacher said on stage in his own church,
"Don't think that I am one of those preachers that think there is a demon behind every tree"
and then he shocked everyone by saying,
"I know there is a demon behind every tree"
"They are everywhere, there are millions of them"
I think perhaps you mean can someone other than ourselves be demon pocessed , but the OP plainly said,
"How do you know if someone has a demon?"
They lie, steal, cheat, murder, get people to commit suicide, back stab, deceive you into thinking that they are normal and they want to be your friend just to name a few of the things that they do.
They also try to lay hands on you and impart that spirit to your soul.
Yes of course the Lord cares and protects us and loves us and delivers us not by our works, but he also warns us. I don't have time to find all of the warnings, but a lot of them are in two letters that St Paul wrote to Timothy.
They (demons) hate the blood of Jesus, especially when you use the blood as your righteousness or plead the blood for a ministry, brother or sister or even CF and SF/C sub forums.
Demons are really just disembodied spirits, they use to have a body and then they died and now they are waiting the final judgment. Some of them kick in with the devil due to his reward system, these are the bad ones and the ones to watch out for they know what happens if they get caught by an angel like a hawk can catch prey so can an angel catch demons in the misty moon light or even if they are brave enough to fly around in broad daylight.
I was just watching a video on YouTube:
Derek Prince - How To Apply The Blood - YouTube
Derek Prince talking about how there is no in between God and Satan it is either or there is no in between.
If you are being bothered by demons or you know someone that is, remember even St Paul said that he had been given a thorn in the flesh ... a messager of satan sent to buffet him and reminded Jesus that he had prayed three times for this thorn to be removed.
We all know the answer that Jesus gave him ... "My grace is sufficient that my grace is made perfect in weakness"
I speak from experience for I also have more than one of these little messagers buffeting me, but the grace of our Lord is with me and his word comforts me and his angels minster to me everyday.
Keep the faith ToBeBlessed you don't really want to know more than what I have stated ... just say thank you Jesus for what you did for me on the cross at Calvary.
ABC, CBS and NBC all believe in demons when that famous rock and roll singer died they said, "He couldn't deal with his demons"