W. Va. Code § 33-5-11: Mutual membership.

Each holder of one or more insurance policies or contracts issued by a domestic mutual insurer, other than a contract of reinsurance, is a member of the insurer with all the rights and obligations of such membership and each such policy or contract so issued shall so specify. Any person, government or governmental agency, state or political subdivision thereof, public or private corporation, board, association, firm, estate, trustee or fiduciary may be a member of a domestic, foreign, or alien mutual insurer.