Under an insurance policy, such as a homeowner policy, it means you or the entity named in the Declarations. The following would also be considered insured:
1) If you are a person–residents of your household, your spouse, your relatives, and minors in the care of you or your relative. Insured does not include a relative age 25 or over who is a student and lives away from your residence premises while attending school.
2) If you are a trust–insured also means the trustees, but only with respect to their duties as a trustee.
Under definition of “insured” on vehicle insurance policy, you or any relative or anyone using an insured vehicle within the scope of permission of your adult relative. This does not include a passenger.