Ephesians 6:5-9

5Servants, be obedient to them that are your masters according to the flesh, with fear and trembling, in singleness of your heart, as unto Christ; 6Not with eyeservice, as menpleasers; but as the servants of Christ, doing the will of God from the heart; 7With good will doing service, as to the Lord, and not to men: 8Knowing that whatsoever good thing any man doeth, the same shall he receive of the Lord, whether he be bond or free.

9And, ye masters, do the same things unto them, forbearing threatening: knowing that your Master also is in heaven; neither is there respect of persons with him.