King James Version
And we have sent with them our brother, whom we have oftentimes proved diligent in many things, but now much more diligent, upon the great confidence which I have in you.English Standard Version
And with them we are sending our brother whom we have often tested and found earnest in many matters, but who is now more earnest than ever because of his great confidence in you.New International Version
In addition, we are sending with them our brother who has often proved to us in many ways that he is zealous, and now even more so because of his great confidence in you.