A court attendant who serves the emperor or a member of the imperial family. In modern Japan, refers to an official of the Imperial Household Agency.
The chamberlain attends to the personal needs of the Emperor.
He served for many years as a chamberlain of the Imperial Household Agency.
He served as the Emperor's chamberlain for many years.
He was appointed as a chamberlain by the Imperial Household Agency.
侍従 is a formal title for an attendant serving an emperor or noble household, a narrower and more official use than the general 従者.
侍従長 shares the same kanji base as 侍従 but refers specifically to the Grand Chamberlain, the head of all the 侍従.
A Sino-Japanese word inherited from Chinese 侍従, “attendant,” combining 侍, “serve,” and 従, “follow or accompany.”