Acts 2:18
upon my slaves, both men and women, in those days, will I pour out my Spirit, and they shall prophesy.
Acts 21:10
and while we remained there many days, a prophet named Agabus came down from Judea.
1 Corinthians 7:21-22
Were you called in slavery? Let not that trouble you; but if you can become free make use of the opportunity.
Galatians 3:28
In him there is neither Jew nor Greek, there is neither slave nor free, there is no male and female; for you are all one in Christ Jesus.
Colossians 3:11
In it that new creation there is no "Greek and Jew," "circumcised and uncircumcised," "barbarian," "Scythian," "slave," "free man," but Christ is all, and in us all.