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|• Nobi||노비||奴婢||slaves (or "serfs")|
The sangmin consisted of peasants, laborers, fishermen, some craftsmen and merchants. The sangmin were considered "clean workers" but had little social status. Generally they were poor. They paid most of Korea's taxes and were subject to the military draft. Their lives were hard, but they were the foundation of the Joseon dynasty, just like the chungin were the backbone of the government. Some of the sangmin owned land which they farmed. Others rented land from the yangban as tenant farmers. Those that did not farm had the lowest status. In everyday life, the sangmin were the working people who struggled to survive. The yangban and chungin controlled and ruled over them. The sangmin did the heavy work. During the late Joseon period, particularly in the 19th century the sangmin rebelled many times because of oppression and corruption by the yangban.