Ayyankali

Mahatma Ayyankali (മഹാത്മ അയ്യൻകാളി; 28 August 1863 – 18 June 1941) was an Indian social reformer, educator, economist, lawmaker, and revolutionary leader. He worked for the advancement of the oppressed people in the princely state of Travancore. His struggle resulted in many changes that improved the socio-political structure of Kerala. His determined and relentless efforts changed the lives of Dalits. He is known as the King of Pulaya. Provided by Wikipedia