Used as a surname for any individual possessing extraordinary human traits and a strong moral code.
These individuals are people who live and love in the face of adversity, sometimes of their own making. They are often faced with periods of hardship that eventually lead to great change.
"Chiarella is always smiling. What the hell is there to be so happy about?"
Who is going to save that baby from the burning building?
"Chiarella will do it."
"What is Chiarella trying to prove?!"