unrighteous] That is, unfaithfull or inconstant, so as to forget his promises of rewarding. See 2 Thes. 1. 6. 1 John 1. 9
labour] 1 Thessalonians 1:3. Because they manifested their love with much danger, and through many discouragements.
toward] For his names sake; or out of love and obedience unto God, and not for carnall respects.