Something that rescues one from difficulties.
A buoyant object (most commonly torus-shaped) that is used as a life-saving device by keeping a person afloat.
An individual trained to medically stabilize people through various interventions, victims of trauma or medical events outside of a hospital setting and preparing them for transport to a medical facility.
An individual who is licensed at the state or national level to practice medical interventions in an emergency pre-hospital setting.