James
James 5:20BSB·traditional attribution

consider this: Whoever turns a sinner from the error of his way will save his soul from death and cover over a multitude of sins.

John Calvin Reformed @genevareformer

20 Let him know. I doubt whether this ought rather to have been written, γιςώσκετε, “know ye.” Both ways the meaning however is the same. For James recommends to us the correction of our brethren from the effect produced that we may more assiduously attend to this duty.

Matthew Henry Presbyterian @wholebiblehenry

This epistle now drawing to a close, the penman goes off very quickly from one thing to another: hence it is that matters so very different are insisted on in these few verses. I. The sin of swearing is cautioned against: But above all things, my brethren, swear not, etc., Jam 5:12.

Commenting on James 5:12-20

John Gill Reformed Baptist @doctorgill

Let him know,.... And observe it for his encouragement: that he which converteth a sinner from the error of his way; who is the instrument of restoring a backsliding professor, for such an one is meant by a sinner, and not a profane person; or of turning a poor bewildered believer, who is got out of the way of truth and holiness, into the right...