It is also an acronym that stands for Islamic Resistance Movement, a militant Islamist Palestinian organization that opposes the existence of the state of Israel and favors the creation of an Islamic state in Palestine.
The Islamic Resistance Movement wants to form a state government in Palestine.
We don't know for sure if the movement wants to create a state government in Palestine, or if they want Islamic rule/Sharia Law, or if they want recognition of statehood (i.e. existing as a nation).