The world is a dangerous place, not because of those who do evil things, but because of those who look on and do nothing.
In our society, evil is everywhere, bad people exist that’s why we need people that act against evil behaviors.
Many physically and morally crimes made in front of people who did not act, or because of people that look on and do nothing.
Each human has its own character and personality, check this link https://examples.yourdictionary.com/character-trait-examples.html.
But wherever the was the personality of that person, the most important is to act against evil.