Bible Verses About Servants: Are partakers of gospel privileges

For in one Spirit we were all baptized into one body, whether Jews or Greeks, slave or free, and we were all given one Spirit to drink.

There is neither Jew nor Greek, slave nor free, male nor female, for you are all one in Christ Jesus.

because you know that the Lord will reward each one for whatever good he does, whether he is slave or free.

Here there is no Greek or Jew, circumcised or uncircumcised, barbarian, Scythian, slave, or free, but Christ is all and is in all.