That church sounds very like the preaching of the Potters House I know. To be honest you are going to find many groups who are very defined and direct about what they believe. Thatdoesn't in and of themselves make them a cult. This Potters House however has a long history of bullying, coercion and manipulative practices. One of the most frightening aspects of it is that you can be in there and be convinced you are in control of your own mind but you are not. It took me a long time to come to terms with it's effects.
If your friends are in that particular Potters House whose organisational name is C.F.M {CHRISTIAN FELLOWSHIP MINISTRIES} which is headed by Wayman Mitchell then the sooner they get out the better. The longer they are in, the harder it is generally to get them out again.
There are amny good sites which document this cultic group and I've found plenty of info on these message boards. If you can legitimately do anything to get those people out of that group then do it. You may be sparing someone years of hurt, confusion and pain.
regards...naboth675
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www.habakkuk2-4.com]