Shī Chóu 施讐, Western Hàn Yì-master, pupil of 田王孫 Tián Wángsūn, founder of the Shī school of Yì-learning — one of the three principal Hàn Yì-lineages with 孟喜 Mèng Xǐ and 梁丘賀 Liáng Qiūhè.