monarch
shogun (of the Tokugawa government)
忠実な侍は大君に仕えた。
A loyal samurai served the great lord.
欧米諸国から将軍は大君と呼ばれた。
The shogun was referred to as the "Taikun" by Western nations.
大君宛ての外国書状が博物館に展示された。
A foreign letter addressed to the Taikun was displayed in the museum.