A barbarically cruel person is someone who inflicts pain or suffering on others without regard for their well-being. Synonyms for this type of person include sadist, tormentor, oppressor, monster, tyrant, fiend, brute, savage, and thug. These terms convey a sense of extreme cruelty and disregard for human life. A sadist takes pleasure in causing pain, while a tormentor enjoys tormenting others. An oppressor exercises power over others to control and brutalize them. A monster suggests a grotesque and terrifying figure that is capable of heinous acts, while a tyrant rules with an iron fist and shows no mercy. A fiend is an evil and wicked person, while a brute is a violent and aggressive individual. A savage person behaves without any sense of morality or humanity, while a thug is a violent criminal.