The current article is about to deliver an insight concerning the ambivalence of faith of characters Abd and Ahmed, who are the grandsons of Al-Sayyid Ahmad in the novel Sugar Street the is being written by Naguib Mahfouz' and is the final novel of the Cairo Trilogy of Naguib Mahfouz. The article has aimed to evaluate the ambivalence of the faith of characters with respect to the postcolonial theory of Homi Bhabha. The current article has critically reviewed the respective novel named Sugar Street.