flagellant

a person who whips themselves or others either as part of a religious penance or for sexual gratification.

Japanese Meaning

宗教的な懺悔の一環や性的快楽を目的として、自分自身または他者を鞭で打つ行為を行う人

The medieval procession included a flagellant who walked barefoot and lashed his back as penance.

中世の行列には、悔悛のために裸足で歩き自分の背中を鞭で打つ人がいた。

Sense（1）

a person who whips themselves or others either as part of a religious penance or for sexual gratification.

flagellants

（ plural ）