Bodyguard

Noun

 * 1) A person or group of persons, often armed, responsible for protecting an individual.

Verb

 * 1)  To protect somebody as a bodyguard.

Thesaurus
cavalier, chaperon, companion, conductor, convoy, duenna, escort, esquire, fellow traveler, gentleman-at-arms, guard, guards, guardsman, praetorian guard, safe-conduct, safeguard, shepherd, squire, swain, usher, yeoman