Guard

For other uses, see (disambiguation)}}}.

A guard may be a person or an organisation. It may be a person who looks after the safety of people or property, and/or make sure prisoners do not escape. It may also be a part of the military.

Organizations

They may also be elite military forces which guards a head of state:

Because the head of state often wishes to be protected by the best soldiers available, their numbers and organisation may be expanded to carry out additional tasks:

Persian Immortals
The Royal Horse Guards and Foot Guards Regiments of the Household Division of the Commonwealth armies
The Napoleon's Imperial Guard
The Iraqi Republican Guard

Some times the term has been used for the complete military organisation of a state, because it guards the state from its enemies:

Vanguard (or advanced guard) and Rearguard or rear guard of an army

Sports

It can also be a term used in sports such as Brazilian Jiu Jitsu, Judo or Submission Wrestling

guard (American football)
guard (basketball)
guard (grappling)
a defensive position in historical fencing, see ward (fencing)

Person

A guard is also a railway employee who (normally) travels in the last vehicle of a train and is responsible for the safety of the train itself.
security guard
bodyguard
Also, a prison officer (aka correctional officer) is commonly - and mistakenly - referred to as a guard.

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