Guest of State - Gihin

...That is, the Gishin (the Emperor's relatives and relatives by marriage to a certain extent), Gigu (the Emperor's long-time aides who received special treatment), Giken (wise and gentlemen with great virtue), Gino (great politicians with outstanding abilities), Gigo (soldiers and overseas envoys who made outstanding achievements), and Giki (those of the third rank or higher). The Six Councils of the Japanese Code are the Eight Councils of the Tang Code, combining the Seventh Council with the Fifth Council and deleting the Eight Council. The Eight Councils of the Tang Code are derived from the Eight Pilgrimages in the Zhou Rites....

*Some of the terminology explanations that mention "gibin" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…すなわち議親(天皇の一定範囲の血族と姻族)，議故(天皇の多年の側近で，特別な待遇をうけている者)，議賢(賢人君子で徳行の大なる者)，議能(大政治家として優れた能力をもつ者)，議功(軍人や海外使節として功績顕著なる者)，議貴(三位以上の者)をいう。日本律の六議は，唐律の八議のうち，第7の議勤を第5の議功に併せ，かつ第8の議賓を削って六議としたものである。なお唐律の八議は，《周礼》の八辟に由来する。…

※「議賓」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報