大だい貴き族ぞく

noun

leading aristocrat; great noble; magnate

Refers to a high-ranking noble or a powerful aristocratic family. Can be used historically or in fantasy settings. 'Boyar' is a specific historical Russian term; use only in that context.

• 彼かれは中ちゅう世せいの大だい貴き族ぞくの末まつ裔えいだ。

  He is a descendant of a medieval great noble.

• その国くにでは大だい貴き族ぞくが政せい治じを支し配はいしていた。

  In that country, the leading aristocrats controlled politics.