Biography Wikipedia
Wikipedia:
Someone who obtains pleasure from inflicting pain on others.
Not to be confused with masochists who derive pleasure from having pain inflicted on themselves (by either themselves or by others).
Some subjects sadist could represent are:
Sadist (band), an Italian progressive death metal bandSadist (album), their self-titled albumSadistic personality disorder, a mental disorderSome other non-direct subjects sadist could represent are:
Sadism and masochism as medical termsSadistik Exekution, an Australian death metal band