In "The Necklace," by Guy de Maupassant, Madame Loisel is depicted as a woman who aspires to a higher social status and lives beyond her means. One day, she loses a valuable necklace that was loaned to her for a ball, and spends many years struggling to repay the debt she incurred replacing it. Throughout this time, she sacrifices her own comfort and wellbeing, including selling her possessions and working long hours as a servant, in order to repay her debt in full.
While Madame Loisel's actions were driven in part by a desire to maintain the illusion of her social status, they could also be seen as an act of heroism. Her determination and perseverance in the face of hardship could be viewed as an admirable quality, as she is willing to make significant sacrifices in order to fulfill her obligation and clear her conscience. Additionally, her selfless efforts to repay the debt, despite the impact it had on her life, could be seen as a demonstration of integrity and a strong moral character.
Overall, whether or not one views Madame Loisel's actions as heroic may depend on their perspective and values. However, it is possible to argue that her perseverance and sacrifices in the face of difficulty demonstrate qualities that are commonly associated with heroism.