They are driven by a desire to uphold the perfect ideals of the society in which they are born. Or they were born in a bad society, but are striving to do good—like saving the world, helping the sick, or rescuing the cat.
They have a selfish goal that harms others, such as gaining revenge over a past injury. Or their goal is morally ambiguous, and it's hard to say whether it's good or bad. Maybe it harms some people while saving other people.
They try as hard as they can to use only honorable methods to achieve their goals. They hate trickery and corruption, like kicking others when they're down or using dirty tricks to win.
They don't care if they hurt others in pursuit of their goals—or they may even cause harm intentionally.
They are motivated by noble, selfless reasons.
They are motivated by selfish, self-serving reasons.
They never struggle with themselves, from sunrise to sunset. Or they occasionally doubt themselves, but it never lasts long.
They struggle with demons inside themselves, such as fear, self-doubt or temptation.
They believe in a universal sense of right and wrong.
They believe morality is subjective. Everyone has their own sense of right and wrong.