Sadist can refer to: . A person with a high level of everyday sadism, a personality trait characterized by enjoyment of hurting others. A person with sadistic personality disorder, an obsolete clinical term for people who enjoy the suffering of others. Sadist may also refer to: Sexual practices. BDSM, one who engages in the erotic (sexual) practices, interpersonal dynamics, or roleplaying involving bondage, dominance and submission, and masochism. Sadomasochism, one who engages with consenting partners in aspects of pain or humiliation for sexual pleasure.
https://en.wikipedia.org/wiki/Sadist