The paper is an attempt to present cash waqf as a model of giving in islam with Philantropic of social justice prespective. On this prespective, cash waqf placed in the context of empowerment among the economically marginalized. Cash waqh will be integrated into mocrofinancing program to efectively alivate absolute poverty. Waqf fud collected through cash waqf will be alocted as loan for microenterprises and the benefit will be alocted as qardhul hasan for the poorest. Baituk Mal Wa Tanwil is an ideal institution to operate the microfinancing programe based on waqf fund