A senior household servant who manages the household, often in a Western-style mansion. Common in fiction and historical contexts.
彼は公爵家の執事として三十年間仕えた。
He served as the butler of the ducal household for thirty years.
Historical role; an official who managed affairs at a court or noble household. Not used for modern government positions.
中世の宮廷では、執事が儀式の準備を取り仕切った。
In medieval courts, the steward oversaw the preparations for ceremonies.
deacon
Christian ecclesiastical title used in Anglican, Lutheran, and some other denominations. Not a common word outside religious contexts.
彼は教会で執事として奉仕している。
He serves as a deacon in the church.
He hired a former soldier as his butler.
He has served as the butler of this mansion for many years.
A personal butler was assigned to the young lady.
召使い is a plain word for a personal servant of any rank, whereas 執事 refers to the head servant who oversees the household staff.
家令 is an older, more formal term for a household steward used mainly in historical or legal writing, while 執事 is the common modern word for the same role.
侍従 refers to a chamberlain attending an emperor or noble in a court setting, close to the historical 執事 sense but tied specifically to royal service.
From Middle Chinese 執事 (tsip dzriH, 'to manage affairs; steward'). The Japanese reading しつじ is the kan'on pronunciation. The word originally referred to an official who handled practical matters, later narrowing to a household steward or butler.