A "bureaucrat" is an official within a large administrative system, often characterized by strict adherence to rules, and the term can carry a negative connotation.
bureaucrat (NOUN): an official in a government department or large organization, often seen as strictly following rules and procedures, sometimes with disapproval.
[N-COUNT 可数名词]官僚;官僚主义者Bureaucrats are officials who work in a large administrative system. You can refer to officials as bureaucrats especially if you disapprove of them because they seem to follow rules and procedures too strictly.
[usu pl]
[disapproval]
The economy is still controlled by bureaucrats.
经济依然被官僚们所掌控。
Oxford
bur·eau·crat/ˈbjʊərəkræt; NAmEˈbjʊrəkræt/noun( often disapproving) an official working in an organization or a government department, especially one who follows the rules of the department too strictly 官僚主义者;官僚bureaucratbureaucratsbur·eau·crat/ˈbjʊərəkræt; NAmEˈbjʊrəkræt/