What is the origin of the concept of "person"?

The word "person" has existed since ancient times. In China's ancient books, people generally refer to life, such as "Guanzi Qilv": "Man's creatures are birds, animals and grass"; Also refers to the common people, common people, such as "Li Zhou Guan Ji Da Situ": "Take the map of the birthplace of the state and count the number of people." Ancient Greece, Rome, Plato, Aristotle, M.T. Cicero and others also used the concept of man, but it refers to slave owners and freemen, excluding slaves who make up the majority of the population. After modern times, the concept of "people" has been widely used, but it is often mixed with the words of citizens and nationals to refer to all members of society. After the birth of Marxism, the concept of people has a scientific and clear meaning.