What is "roben"

(689 – 773), also known as Ryōben, was a Japanese Buddhist monk of the Kegon sect, and clerical founder of the Tōdai-ji temple in Nara, Nara Prefecture, Japan. He is popularly known as the . His life spanned the late Asuka period (538 – 710) to the early Nara period (710 – 794), a period associated with the establishment of Buddhism in Japan.