3 John 1:5

Dear friend, you are faithful in what you are doing for the brothers, even though they are strangers to you.

(New International Version)

Beloved, you are acting faithfully in whatever you accomplish for the brethren, and especially when they are strangers;

(New American Standard Bible)

Beloved, thou doest faithfully whatsoever thou doest to the brethren, and to strangers;

(King James Version)