The bodyguard operates within a unique sociodynamic relationship known as the principal-agent dyad . Unlike a soldier (who protects the state) or a police officer (who protects the public), the bodyguard’s loyalty is exclusively contractual and dyadic.
The Shield and the Shadow: A Socio-Historical and Psychological Analysis of the Executive Protection Agent (The Bodyguard)
The origins of dedicated bodyguards lie in antiquity. The Roman Praetorian Guard (27 BCE) was among the first state-sanctioned protection details, though their political power often threatened the very emperors they swore to protect. Similarly, the Janissaries of the Ottoman Empire and the Samurai of feudal Japan served dual roles as protectors and political enforcers.
The cognitive burden on a bodyguard is severe and understudied.