The term "chamberlain" refers to a person who serves another person (generally a noble person) to take care of his or her personal affairs, and its Japanese equivalent term "jiju" also represents a chamberlain's service itself in a broad sense.
侍従（じじゅう）とは、広義では（しばしば高貴な立場の）ある人物に付き従い、身の回りの世話などをする行為、または従う者そのものを指す。