Conflict between a member and an evangelical association. Validity of the arbitration clause for disputes between the members of the association or between them and the association, which provides as follows: "In the event of a disagreement between the pastor and the Community (Church), either party may request the intervention of a Special Commission composed of pastors of the Ormiban – Ordem dos Ministros Convenção Batista Nacional, with the parties committed to abide by its decision":