Just as a body, though one, has many parts, but all its many parts form one body, so it is with Christ. For we were all baptized by one Spirit so as to form one body—whether Jews or Gentiles, slave or free—and we were all given the one Spirit to drink. Even so the body is not made up of one part but of many.
This was part of Paul’s stump speech, a common theme captured in Paul’s letters to various churches. He spoke a version of Robin-Hood-esque democracy into a religious world that was autocratic by definition.