Age of a person perpetuating an assault, on his family, then on him, is no matter when acting in self defense. A person being attacked may defend.
What assault? Self defense against what? Being black? It's about damned time that being black was not seen as an assault on White Nationalists.
He pushed her, he is the aggressor. She pointed at him. Pointing at someone, sorry the "Gun gesture" is not an assault. Pushing a child around? That's assault on a minor.