Well, now, I couldn't have that. I contacted the Minister at once, and he quite agreed with me that the High Inquisitor has to have the power to strip pupils of privileges, or she – that is to say, I – would have less authority than common teachers!” (19.141) Umbridge begins to wield her power to her equals because she knows she can get away with it, she knows how much power she has. When power becomes malicious and evil, it has gone too far. Umbridge's power has become too strong she doesn't even know what to do with it, so she takes advantage of it and hurts everyone around her.
Power can be dangerous. It can affect everyone in a society in a positive or negative way. You can not gain power without having the ability to control and weaken a group of people. Harry Potter and the Order of the Phoenix shows how power can grow to become too