It’s a third, but also that’s not a criteria for “dictator” – the term refers to unchecked power, and while over time that tends to build resentment it’s not a given. This is especially true when they favor certain religious or ethnic groups where the beneficiaries like the dictator and everyone else does not.
Poll is an actual check, that his actions are aligned with what population wants from him. Laws and institutions are always not perfect, and all governments violated some rules.