Mendel Singer is a fictional character from the novel "The Last of the Just" by André Schwarz-Bart. He is a Jewish man living in Eastern Europe during the early 20th century, representing the struggles and suffering of the Jewish people. His life is marked by hardship, loss, and a deep sense of faith. Throughout the story, Mendel grapples with his identity and the meaning of suffering. His character embodies themes of resilience and the search for hope amidst despair, reflecting the broader historical context of Jewish persecution, particularly during the Holocaust.