The Professor's housekeeper and a single mother. She was hired by the Professor's sister-in-law through the housekeeping agency and is the tenth housekeeper the Professor has gone through. She initially feels frustration at the Professor, who shows interest only in mathematics, but through observing the Professor's kindness and his passion for mathematics, comes to feel respect and affection for him.
This passage depicts a dynamic between a single mother, hired by the Professor's sister-in-law, and the Professor himself. The story highlights their contrasting personalities and how they evolve from initial frustration to mutual respect and affection.