Introduction : studying the impact of international norms on Islamist politics -- The western critique of liberalism : communitarianism -- Islamist critiques of liberalism : Abduh, Qutb, al-Sadr and Khomeini -- Islamism as communitarianism : a comparative analysis -- The rise of political Shiaism in Lebanon -- Non-combatant immunity and Israel-Hezbollah wars : the case of the April understanding -- Hezbollah and human rights legislation in the Lebanese parliament -- Hezbollah and UNSC resolutions 1559 and 1701 -- Community, person and international norms in Hezbollah's political language : comparing the 1985 open letter and the 2009 political document -- Conclusions : the impact of international norms on Islamist politics.