Matthew 24:45
"Who then, is the trustworthy and sensible slave, to whom his master has assigned the management of his household to provide timely meals for its members?
Ephesians 6:5-8
Slaves, you should obey those who are your earthly masters, out of reverence and eagerness to please them, with a sincere heart, as you would [obey] Christ.
Colossians 3:22-25
You slaves should obey your earthly masters in everything, [and] do not do it just when they are looking [at you], or to gain their favor, but do it with a sincere heart, out of reverence for the Lord.
Titus 2:9-10
Slaves should be in subjection to their own masters in everything. They should try hard to please them, without talking back
1 Peter 2:15
For it is God's will that, by doing good, you should put to silence the ignorant [talk and actions] of foolish people.
1 Peter 2:18
Slaves, submit yourselves to your masters and show them respect, not just the ones who are good [to you] and treat you well, but also to those who are harsh toward you.