I believe the answer is character.
Answer:
You can write a bit about the definition. In social psychology, a stereotype is an over-generalized belief about a particular category of people. It is an expectation that people might have about every person of a particular group. The type of expectation can vary; it can be, for example, an expectation about the group's personality, preferences, or ability.
Locke is trying to say that tyranny is the exercise of power for the wrong reason, basically meaning that it is abusing ones power over someone or something