Also written Bacha Khan, full name Khan Abdul Ghaffar Khan (1890-1988). This Muslim follower of Gandhi from the Pakhtun (Pashtun, Pakhtoon) areas of what was then the North West Frontier Province of India was a major contributor to the freedom struggle of the 1930s. More than that, this devout Muslim raised a nonviolent “army” of 80,000 formerly revenge-oriented Pashtuns — the same people who wore down the Russian invasion of Afghanistan and from whom the Taliban are recruited today. Revered as a spiritual leader of his people, this nonviolent giant proved that, as Gandhi said, the bravest people make the best nonviolent fighters, that nonviolence can be organized on a large scale (see TPNI, Khudai Khidmatgars), that it is effective against ruthless opposition, and that it is fully compatible with the ideals of Islam.

Resources:

Eknath Easwaran, Nonviolent Soldier of Islam

Mukulika Banerjee (2000) The Pathan Unarmed Opposition & Memory in the North West Frontier (School of American Research Press)

Khan Abdul Ghaffar Khan (1969) My life and struggle Autobiography of Badshah Khan (as narrated to K B Narang) Translated by Helen Bouman Hind Pocket Books New Delhi)

Note: the Wikipedia article on Badshah Khan is very useful.