O-Lan is a central character in the novel "The Good Earth" by Pearl S. Buck. She is a Chinese woman who endures many hardships throughout her life, including poverty and the challenges of rural farming. O-Lan is depicted as strong, hardworking, and resourceful, playing a crucial role in her family's survival and success. As the wife of Wang Lung, O-Lan helps him cultivate their land and raise their children. Her character represents the struggles and resilience of women in traditional Chinese society. O-Lan's journey reflects themes of loyalty, sacrifice, and the impact of wealth on personal relationships.