Shimizu-san - Kiyomizu-san

...A high priest who continued to preach to the masses how to make Buddhism useful in the present through sermons. "Kiyomizu-san" referred to the Kannon statue at Kiyomizu and was also the priest's nickname. In his later years, he was called "Ryokei-san" and was respected beyond the bounds of sect and religion.

*Some of the terminology that mentions "Shimizu-san" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…法話を通して，仏教を今に生かす道を，大衆に説き続けた高僧。〈清水（きよみず）さん〉は清水の観音像を指すと共に同師の愛称であった。晩年は〈良慶さん〉と呼ばれ，宗派，宗教を超えて敬われた。…

※「清水さん」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報