INSURED - A person or a corporation who contracts for an insurance policy that indemnifies (protects) him against loss or damage to property or, in the case of a liability policy, defend him against a claim from a third party.
NAMED INSURED - Any person, firm or corporation specifically designated by name as an insured(s) in a policy as distinguished from others who, though unnamed, are protected under some circumstances. For example, a common application of this latter principle is in auto liability policies wherein by a definition of "insured", coverage is extended to other drivers using the car with the permission of the named insured. Other parties can also be afforded protection of an insurance policy by being named an "additional insured" in the policy or endorsement...