Genesis 31:6
Now you yourselves know that I have served your father with all my strength,
Genesis 30:29
Then he said to him, "You yourself know how I have served you and how your livestock have been with me.
Genesis 31:38-42
These twenty years I [was] with you; your ewes and your female goats did not miscarry, and the rams of your flocks I did not eat.
Ephesians 6:5-8
Slaves, obey your earthly masters with fear and trembling, in the sincerity of your heart, as to Christ,
Colossians 3:22-25
Slaves, obey your {human} masters in everything, not {while being watched}, as people pleasers, but with sincerity of heart, fearing the Lord.
Titus 2:9-10
Slaves must be subject to their own masters in everything, to be well-pleasing, not to talk back,
1 Peter 2:18
Domestic slaves, be subject to your masters with all respect, not only to those [who are] good and gentle, but also to those [who are] unjust.