noun
loyalty to one's ruler; fealty to the sovereign
Refers to the traditional virtue of devotion and allegiance to a monarch or lord, often in historical or Confucian contexts.
忠君愛国は、かつての日本で重んじられた価値観だ。
Loyalty to the sovereign and patriotism were values once esteemed in Japan.
彼は忠君の精神を生涯貫いた。
He remained faithful to his lord throughout his life.