Muggle Hero: Nelson Mandela - instead of sitting there during Apartheid complacent he acted. Also he wanted real equality he said "i fought against white supremacy and black supremacy...". he also never took revenge and it was him that set the precedent that led to the transition in the 1990's peaceful

Wizard: Harry Potter - He never wanted to be a hero, yet he was a hero. He was ready to die to save Hogwarts and its students