There are several synonyms for the term "cruel people". One of these synonyms is "sadists", which refers to individuals who take pleasure in inflicting pain or suffering on others. Another similar term is "psychopaths", which indicates individuals who lack empathy and conscience, and are known to exhibit aggressive or abusive behavior towards others. Other possible synonyms for "cruel people" include "bullies", "tyrants", "abusers", "oppressors", and "tormentors". Regardless of the word used, it is important to recognize and address the behavior of those who inflict unnecessary harm on others.