Haq Nawaz joined the Jamiat Ulama-e-Islam and started teaching at a madrasah in Toba Tek Singh in 1972. In 1973 he became the imam and khatib of a mosque in mohalla Piplianwala in the city of Jhang Saddar. Before he began focusing his preaching against Shia, he was active in the Khatm-i Nabuwwat movement against Qaadiyanis.[2]