1 Corinthians 12:13

12:13 For in one Spirit we were all baptized into one body. Whether Jews or Greeks or slaves or free, we were all made to drink of the one Spirit.

Galatians 3:28

3:28 There is neither Jew nor Greek, there is neither slave nor free, there is neither male nor female – for all of you are one in Christ Jesus.

Colossians 3:11

3:11 Here there is neither Greek nor Jew, circumcised or uncircumcised, barbarian, Scythian, slave or free, but Christ is all and in all.