I’m not writing that xzins is a heretic. What I’m saying is that he’s associated with the heretics if he stays in a fallen denomination. If xzins is absolutely convinced the Lord want him (or her) to stay there as a witness to the heretics, then who am I to dissuade him? He should do as the Lord directs. However, there are scriptural and historical indications that one should flee from heresy. The early church fathers, based on what I know, refused to have anything to do with the heretics, aka little anti-christs.
My analogy is — we’re soldiers of Christ. We know our commanding General is incorruptible. If our platoon or division is corrupt,we don’t go AWOL or form a new division. We stay, pray to higher authority or fight out this. We don’t leave our fellow Christian soldiers behind...