Ephesians 6:5

Slaves, be obedient to them that are your masters according to the flesh, with fear and trembling, in singleness of your heart, as unto Christ

Titus Chapter 2:9-10

Exhort slaves to be obedient unto their own masters, to please them well in all things; not answering again;

Not purloining, but shewing all good fidelity; that they may adorn the doctrine of God our Saviour in all things.

Colossians 3:22

Slaves, obey in all things your masters according to the flesh; not with eyeservice, as menpleasers; but in singleness of heart, fearing God

1 Peter 2:18

Slaves, be subject to your masters with all fear; not only to the good and gentle, but also to the froward.