Zuko[1]: She needs this Aang this about getting closure and justice

Aang: I don’t think so this is about getting revenge

Katara: Fine maybe it is, maybe that what I need, maybe that what he deserves

Yon Rha

Alia: You destroyed my parents, you ruined my life, now I will destroy you!

Professor Wenerd Sharlo

Harry Potter: She killed Sirius, She killed him, I kill her!

Bellatrix Lestrange

A provoker is a villain who has wronged the hero so badly that it make a more personal rivalry between them. The hero would act on rage to stop this villain and not just for defensive purposes.

A Provoker is vice versa to a Nemesis where the hero is provoked by the villain.