Their loyalty is divided between God and the world, and they are unstable in everything they do.
Sometimes they are called double minded, speaking out of both sides of their mouths so to speak. Outwardly they appear to be servants of God but within they live for their own desires. Knowing that the Holy Spirit indwells them and that God knows their hearts and thoughts doesn’t stop them. What will stop them? Will they fall never to regain their footing again? Well the bible tells us in Psalm 91:11 “For He shall give His angels charge over you, To keep you in all of your ways. ”