It's bad to be cruel to homeless people.
Dudley sees a crowded street filled with people blocking the way.
Dudley wants to get through.
Dudley tries to ask people to move out of his way and many of them ignore him.
Dudley pushes over the homeless person since they matter much less than the others.
The homeless person steps aside to let Dudley pass when he asks him.
Dudley walks through the newly vacated space for himself.