8 Bible Verses about Apostate Believers

Brothers, if a man is overtaken in a fault, you the spiritual ones restore such a one in the spirit of meekness, considering yourself, lest you also be tempted.

in the name of our Lord Jesus Christ, when you are gathered together, with my spirit; also, with the power of our Lord Jesus Christ; to deliver such a one to Satan for the destruction of the flesh, so that the spirit may be saved in the day of the Lord Jesus.

Brothers, if anyone among you err from the truth, and if anyone turns him back, know that he who turns back the sinner from the error of his way shall save a soul from death, and shall hide a multitude of sins.

If anyone sees his brother sin a sin not to death, he shall ask, and He shall give him life for those that do not sin to death. There is a sin to death, I do not say that he shall pray for it. All unrighteousness is sin, and there is a sin not to death.

know that he who turns back the sinner from the error of his way shall save a soul from death, and shall hide a multitude of sins.

For it is impossible for those who were once enlightened, and have tasted of the heavenly gift, and were made partakers of the Holy Spirit, and have tasted the good Word of God and the powers of the world to come, and who have fallen away; it is impossible, I say, to renew them again to repentance, since they crucify the Son of God afresh to themselves and put Him to an open shame.read more.
(For the earth which drinks in the rain that comes often upon it, and brings forth plants fit for those by whom it is dressed, receives blessing from God. But that which bears thorns and briers is rejected and is a curse, whose end is to be burned.)

For if we sin willfully after we have received the knowledge of the truth, there remains no more sacrifice for sins, but a certain fearful looking for judgment and fiery indignation, which shall devour the adversaries. He who despised Moses' Law died without mercy on the word of two or three witnesses.read more.
Of how much worse punishment, do you suppose, will he be thought worthy of punishment, the one who has trampled the Son of God, and who has counted the blood of the covenant with which he was sanctified an unholy thing, and has insulted the Spirit of grace?

So because you are lukewarm, and neither cold nor hot, I will vomit you out of My mouth.