noun
A person who derives sexual pleasure from receiving pain or humiliation. This is a formal, clinical term; in everyday conversation, マゾ or マゾヒスト is more common.
被虐性愛者は、痛みや屈辱から性的快感を得る。
A masochist derives sexual pleasure from pain or humiliation.
Compound of 被虐 (ひぎゃく, 'receiving abuse') + 性愛 (せいあい, 'sexual love') + 者 (しゃ, 'person'). A formal translation of the Western concept of masochism.