Ch'oe Cheu
Ch'oe Cheu (Korean: 최제우; Hanja: 崔濟愚; 18 December 1824 – 15 April 1864), art name Suun (수운; 水雲), was a Korean religious leader. He was the founder of Donghak, a religious movement which was empathetic to the hardships of the minjung (the marginalized people of Korea), opposed Catholicism and its association with Western imperialism, and offered an alternative to orthodox Neo-Confucianism.