Life Guard
the guard of a sovereign's person; a king's body guard. In the British army the name of life guards LIFE-SAVING SERVICE case of accident; a cork-jacket or inflatable belt or waistcoat are ordinary devices for this purpose. They are principally made of cork, in the form of jackets and belts, or of india-rubber cloth belts or cylinders, which, when inflated, are able to sustain a person above the surface of the water. The term life preserver has also been applied to a small weapon, about a foot long, made of twisted whalebone, and heavily loaded at each end.