Asghar Ali Engineer was an Indian reformist writer and social activist. Internationally known for his work on liberation theology in Islam, he led the Progressive Dawoodi Bohra movement. The focus of his work was on communalism and communal and ethnic violence in India and South Asia. He was a votary of peace and non-violence and lectured all over world on communal harmony.

Communal violence is a form of violence that is perpetrated across ethnic or communal lines, where the violent parties feel solidarity for their respective groups and victims are chosen based upon group membership. The term includes conflicts, riots and other forms of violence between communities of different religious faith or ethnic origins.