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Daimyo are Japanese lords with large landholdings and a private samurai army, who paid no taxes to the government. The daimyo controlled the samurai, who protected the daimyo, and therefore are higher than them on the pyramid.
Be sure to explore the role of the samurai and the hierarchical structure of the period. Feudal Japan was very similar to that of Medieval Europe as the wealthy provided land to the warriors, like the knight of Europe, in exchange for protection. The warriors then provided land to the laborers to plant and harvest food for the people. This lower class was bound to the earth.