The study of life of ones individual is called

Biography is the account of the life of an individual including their achievements struggles and contributions. It differs from psychology which studies mental processes and biology which studies living organisms. Biographies are valuable for understanding how individuals influenced events and societies. They also serve as historical sources for researchers and students. For example biographies of leaders such as Quaid e Azam Muhammad Ali Jinnah or Nelson Mandela highlight their personal journeys and leadership roles in independence movements. Biography connects personal stories with wider history.