The chapter explores the common features between Sumo Wrestlers and Teachers and the impact of incentives on their performance. It discusses how incentives attract individuals to work more productively and the different types of incentives - societal, financial, and ethical. The chapter also highlights the issue of cheating among teachers and the consequences they face. In the case of sports, cheating is also prevalent and can lead to punishment for athletes. Overall, the chapter emphasizes the importance of incentives in driving performance in various fields.