Ture Christianity is Christianity as it is defined by the Bible
[Col 3:11 KJV] 11 Where there is neither Greek nor Jew, circumcision nor uncircumcision, Barbarian, Scythian, bond [nor] free: but Christ [is] all, and in all.
[Gal 3:28 KJV] 28 There is neither Jew nor Greek, there is neither bond nor free, there is neither male nor female: for ye are all one in Christ Jesus.