Real Life Hero.. I have an english oral about my "hero" .. HELP!!?

who would u do for a real life hero .. examples like idk gandhi? but if u can give ideas that are more personal and it doesnt need to be someone famous .. i need to do a 3 min oral so ya... if its someone like my dad or sth i ned to be able to talk about it for 3 minutes thats why its better if its someone famous but i need ideas !!