James 5:19-20

19My brothers and sisters, if anyone among you strays from the truth and falls into error and [another] one turns him back [to God],

20let the [latter] one know that the one who has turned a sinner from the error of his way will save that one’s soul from death and cover a multitude of sins [that is, obtain the pardon of the many sins committed by the one who has been restored].