Political Islam is a new concept in the political literature of the world, which is derived from authentic Islamic elements. This concept seeks to introduce Islam as a comprehensive religion that has diverse political, religious and cultural dimensions corresponding to human beings and society. The main question of the present article is how Imam Khomeini, as a charismatic leader, was able to use the cultural and social contexts of Iran to bring the religion of Islam and its agents from the special semantic field of society to the general field of politics Islamic revolution in 1357? In response to this question, the hypothesis of the research emphasizes the point that Imam Khomeini (RA) by formulating the theory of religious authority and using it, turned Islam into a political-social discourse and introduced the clergy as the religious agents of politics. Also, the findings of the research show that Imam Khomeini (RA) with his special leadership, which is of three types; Weber's intellectual, traditional and charismatic authority at the same time was able to define a special status and dignity for Velayat al-Faqih as a "political matter" in competition with his rival discourses. The qualitative research method is discourse analysis and the method of collecting library data and virtual space resources.