1.
butler, steward, head servant
A head male servant who manages a household or estate. In modern Japanese, also associated with butler-themed cafes and anime/manga characters portraying elegant male servants.
Usage
Traditionally refers to the head servant of a wealthy household, especially in Western-style estates. In modern pop culture, 執事 has become a popular character archetype in anime, manga, and games (e.g., "Black Butler" / 黒執事). 執事喫茶 (butler cafes) are themed cafes where staff dress and act as butlers.