Ippen
Ippen Shōnin (一遍上人) 1234/9–1289 was a Japanese Buddhist itinerant preacher (hijiri) whose movement, the Ji-shū (時宗; "Time sect") became one of the major currents of medieval Japanese Pure Land Buddhism. Born in what is now Ehime Prefecture, he studied at the Seizan branch of Jōdo-shū before meeting many Shingon- and Tendai-associated hijiri, and then became a hijiri himself.