1 John 5 16
If you see your Christian brother or sister committing a sin that is not a deadly sin, you ought to pray and God will grant life to the one who's sinned. (But not for a deadly sin. There's a sin that is deadly, and I'm not saying people should pray about that.
Compare with other 3 random translations
YLT 1 John 5:16If any one may see his brother sinning a sin not unto death, he shall ask, and He shall give to him life to those sinning not unto death; there is sin to death, not concerning it do I speak that he may beseech;
NLT 1 John 5:16If you see a fellow believer sinning in a way that does not lead to death, you should pray, and God will give that person life. But there is a sin that leads to death, and I am not saying you should pray for those who commit it.
ASV 1 John 5:16If any man see his brother sinning a sin not unto death, he shall ask, and God will give him life for them that sin not unto death. There is a sin unto death: not concerning this do I say that he should make request.