When would you start considering someone actually cruel/evil and not just a jerk?

Someone doesn't need to kill or torture to be consider evil. When you do think it's the start of considering someone cruel/evil; the point where they're no longer jerks (or even the jerk is saint in comparing to them)?

I think those that purposely take advantage of others (either it's their innocence, their money, their morals, etc) while deceiving and not caring are already cruel/evil to me. Someone purposely faking a future for years seems evil too. What do you think? When does someone starts being cruel/evil to you?

When would you start considering someone actually cruel/evil and not just a jerk?
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