The Nizari Ismaili segment led by Hassan Sabah, is the founder of the assassination in its classical sense; What has been less seen before and in the historical context of Iran in the Middle Ages is that the current facilities and forces have been used in a completely organized way as a strategy and at the same time a defensive tactic. In the present study, the authors followed the strategies used in the Ismaili sect based on the historical evidence and analyzed the sociological factors that influenced the development of ideological and political goals of this movement. The authors also focus on the Tilly's Resource Mobilization Theory to answer these questions: What is the role of strategies in achieving the ideological-political goals of the Nizari Ismaili segment? And what is the share of each? The results show that the Nizari Ismaili segment used strategies to achieve its goals, which played a significant role in its historical success (at least during the reign of Hassan Sabah).