(Wikimediajargon) A wiki user with the right to change user access levels.
2014, Pnina Fichman, Noriko Hara, editors, Global Wikipedia: International and Cross-Cultural Issues in Online Collaboration, Rowman & Littlefield, →ISBN, page 18:
One of three major processes is generally used: a bureaucrat review, a broader community review, or an approvals group review. As only local bureaucrats or Wikimedia stewards can grant the bot flag necessary to operate an authorized bot, the simplest method is to appeal directly to these individuals.
The term bureaucrat, while often used in a professional and respectful manner, is oftentimes disdained by those who work in organizations, especially governmental organizations. This is due to connotations of rigidity, indifference, and especially laziness that the term can sometimes connote (the latter especially reflected in the oft-repeated derisive term lazy bureaucrat). As a result, many workers in organizations, especially governmental ones, prefer terms such as manager, public manager, civil servant, public servant, public official, etc.