Slaves must render obedience to their earthly masters as unto Christ, in a spirit of fear and reverence, and with undivided allegiance; not trying merely to do such work as may pass muster before the eye of a human taskmaster (cf. Exp., July 1915), but doing heartily the will of God as the slaves of Christ; with cheerfulness fulfilling the slave's task, as to the Lord and not unto men; knowing that the slave, like the free man, shall receive the reward of his work at the Lord's hands. Masters are to exhibit a corresponding temper towards their slaves, avoiding threats; knowing that the common Master is in heaven, and that His judgment is independent of human disparities of status.
Related Commentaries of Ephesians 6:5
Ephesians 6:5-9
5 Servants, be obedient to them that are your masters according to the flesh, with fear and trembling, in singleness of your heart, as unto Christ;
6 Not with eyeservice, as menpleasers; but as the servants of Christ, doing the will of God from the heart;
7 With good will doing service, as to the Lord, and not to men:
8 Knowing that whatsoever good thing any man doeth, the same shall he receive of the Lord, whether he be bond or free.
9 And, ye masters, do the same things unto them, forbearinga threatening: knowing that your Master also is in heaven; neither is there respect of persons with him.