Following appearance of Islamic revolution and, consequently, dominance of the discourse of Islamic revolution, political fiqahati Islam, dominating its opponents, acquired sovereignty. As inter discourse competences began, however, sub-discourses including radical, conservative, reformist and just seeker ones became dominant during different periods after revolution. What mentioned here forms the basis to answer the question of the paper; how was the sub-discourse of justice seeker political Islam, called here as sub-discourse of justice, formulated and acquired power? The paper, using qualitative method, discourse theory and library techniques, has intended to prove the claim: spread of those attractive elements of the sub-discourse including self-confidence, opposing corruption, opposing managers` welfare-seeking and luxuriousness on the basis of justice appeared and acquired sovereignty.