An employee of a government unit, who is quite knowledgeable within their narrow area, and works on specific responsibilities and within a hierarchy of authority is known as which of the following?

A) Leader
B) Laborer
C) Clinician
D) Man in black
E) Bureaucrat

Hierarchy of Authority

A rank order of authority within an organization, establishing clear paths of responsibility and reporting.

Bureaucrat

An official in a governmental or corporate institution, often perceived as being concerned with procedural correctness at the expense of people's needs.