King James Version
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;English Standard Version
Slaves, obey your earthly masters with fear and trembling, with a sincere heart, as you would Christ,New International Version
Slaves, obey your earthly masters with respect and fear, and with sincerity of heart, just as you would obey Christ.