Study outlines postmodern stage of secularization process running in the Western society. Modern secularization process is analyzed in connection with the rule of conformist mentality that is to be related to truth-relativism of postmodern thought. Postmodern stage of secularization is determined by return of subvert religious mentality. Central part of study analyzes the role of spirituality, mainly its prophetic dimension in modern post-secular society. The civic right to free speech makes part of that prophetic vocation if the credo of Christianity is truthfully announced. The final part of the study analyzes the general framework of mutually depend rights and obligations due to postmodern situation of religion.