Security agent

A security agent provided protection for an individual.

Miss Dexter was a security agent who worked for Mr Saxon. (TV: 42)

Shrynor was a security agent employed by Willem van der Heever to look over his estate. (AUDIO: The Revenant's Carnival)

Starl Stanmore] was a pilot and a deep cover security agent for the Earthlink Federation. (PROSE: The Gods of the Underworld)