James 5:20
"Let him know, that he which converteth the sinner from the error of his way shall save a soul from death, and shall hide a multitude of sins."
Cross References (ranked by relevance)
And above all things have fervent charity among yourselves: for charity shall cover the multitude of sins.
Hatred stirreth up strifes: but love covereth all sins.
Take heed unto thyself, and unto the doctrine; continue in them: for in doing this thou shalt both save thyself, and them that hear thee.
The fruit of the righteous is a tree of life; and he that winneth souls is wise.
Brethren, if any of you do err from the truth, and one convert him;
If by any means I may provoke to emulation them which are my flesh, and might save some of them.
To the weak became I as weak, that I might gain the weak: I am made all things to all men, that I might by all means save some.
Blessed is he whose transgression is forgiven, whose sin is covered.
Riches profit not in the day of wrath: but righteousness delivereth from death.
Then when lust hath conceived, it bringeth forth sin: and sin, when it is finished, bringeth forth death.
Verily, verily, I say unto you, He that heareth my word, and believeth on him that sent me, hath everlasting life, and shall not come into condemnation; but is passed from death unto life.
Treasures of wickedness profit nothing: but righteousness delivereth from death.
I Paul have written it with mine own hand, I will repay it: albeit I do not say to thee how thou owest unto me even thine own self besides.
Blessed and holy is he that hath part in the first resurrection: on such the second death hath no power, but they shall be priests of God and of Christ, and shall reign with him a thousand years.