Differences in the social system of the 3 ancient civilisations

In India the social system is known as the Caste System.1)The brahmins which include pirests, scholars and teachers 2)The kshatriyas which include warriors and rulers 3) Shudras include traders, farmers and landowners and lastly the untouchable there is no such thing as the untouchables in China nor Southeast Asia.In china the traders were located at the most bottom 1)The ruling class 2) scholars 3) farmers 4) craftsmen 5) traders. The traders were located at the most bottom as the people in ancient China think that traders did not produce anything and make a living from the hard work of others. While in Southeast Asia traders were highly respected 1)Ruiling class 2) Trading and priestly class example priests. 3)Working class example: farmers, craftsmen and fishermen traders were highly respected as trading was the factor that helped Southeast Asia to grow.