Regardless of any kind of acronym, label, or any other kind of demagoguery, anyone who reads Scripture should easily be able to understand that God's salvation, once given by God, cannot be lost, because of God's invincible power to save. Nothing can separate those who are in Christ from the love of God in Christ (Romans 8:39-40), and the gifts and the calling of God are irrevocable (Romans 11:29). Writing to the Philippians, Paul says, "He who has begun a good work in you will perfect it to the end" (
Philippians 1:6). Therein is the promise of God that what He starts in our souls, He intends to finish. God's purposes cannot be thwarted (Job 42:2); He gets what He intends. Satan knows this very well and hates this, because He knows that no matter how hard he tries with any of God's elect, though he may discourage them and even drive them to despair at times ~ as he did Job ~ in the end, he cannot win; they will ultimately be lost to him forever ~ as Job was.
Grace and peace to you.