He was known as a very brave, but also very cruel person.
Only a cruel person would tell you such things.
You do not look like a cruel person.
"I see the police as a cruel person and I hate him."
She wanted me to know what a selfish and cruel person you really are.
Michaels claimed that "Howard had become a cruel, evil, vicious person."
She frankly acknowledges the fact that she is a cruel person.
Eragon may be one of the most deadly warriors in Alagaësia, but he isn't a hard or cruel person.
For example, someone who acts cruelly towards other people is, by that act, defined as a cruel person.
Furthermore, by this action of cruelty, such persons are themselves responsible for their new identity (a cruel person).