A Christian would never "convert" to Calvinism. It's impossible to be a Calvinist and a Christian. Impossible. This is not an opinion. If you think it is possible, then you have no idea what a Christian is. (Of course, that fact has been well established in your 55,000+ posts).
Many cults believe that Jesus is God. believing that Jesus is God does not make you a Christian. Believing and teaching that Jesus is not God is evidence that someone is not a believer. You are far too ignorant of the Bible to understand this. It is beyond your limited view of God, who He is, and what He has done.
Anyone who believes that salvation can be lost, returned, forfeited, or removed does not know or believe in the God of the Bible. If it is YOUR testimony that someone was once saved and is no longer, it is evidence that you are not saved.
Would someone else like to point out to this godless, demon possessed, donkey's butt, that he should read the thread he is posting in before he makes another stupid comment about what I've said in it?