Parasitism, also known as sporting opportunism, is a type of symbiotic relationship between two organisms where one organism, known as the parasite, benefits at the expense of the other organism, known as the host. The parasite relies on the host for survival, often causing harm or inconvenience to the host in the process. This type of opportunism is commonly seen in the animal kingdom, where parasites take advantage of their hosts’ resources and energy to thrive. In the world of sports, parasitism can refer to a player or team taking advantage of their opponent’s weaknesses or mistakes to gain an advantage. This can be seen as a cunning and strategic move, but can also be viewed as unsportsmanlike behavior. Overall, parasitism and sporting opportunism highlight the complex and sometimes exploitative nature of relationships in both the natural and competitive world.