Agent

An Agent was the title of a person who worked for a specific agency, or organization. Agents were almost comparable to 'officer`s' (i.e. Starfleet officers).

Section 31
Section 31 employed undercover Agents to complete tasks for the organization. These Agents were also known as Operatives.

Known agents:
 * Agent Sloan
 * Agent Elena
 * Agent Nelkast
 * Agent Rave
 * Admiral Willam Ross
 * Admiral Theseus
 * Doctor Julian Bashir