follow Christ outside the official Churches.
Aha - but did Hitler follow Christ? I'd say that he didn't. Hitler didn't even believe himself to be following Christ, certainly not the Biblical Christ. So let's say we take this label "Christian" and apply it to him - an individual who does not "follow Christ", nor any existing Christian doctrine - indeed reviling organized Christianity - but applies his own special brand of spirituality. This is a Christian? Anyone with spiritual belief can be described as a Christian, having had a Christian upbringing? You don't see anything off about this?