Who was the young man that ate Jim crow gingerbread man at the house of the house of the seven gables?

Holgrave, a young boarder at the house of the seven gables, eats the gingerbread man shaped like Jim Crow that Hepzibah Pyncheon had made as a decorative piece. This act symbolizes his irreverence towards societal norms and oppressive systems, like racism symbolized by Jim Crow.