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;New International Version
Slaves, obey your earthly masters with respect and fear, and with sincerity of heart, just as you would obey Christ.Catholic Public Domain Version
Servants, be obedient to your lords according to the flesh, with fear and trembling, in the simplicity of your heart, as to Christ