OrgMember↝Gestalt with possessive marking on the individual:
OrgMember↝Possessor if the individual is understood to possess authority within or as a representative of the institution:
OrgMember↝PartPortion if the governor is an organizational collective noun and the object of the preposition denotes a subset of members:
OrgMember↝Stuff if the governor is an organizational collective noun and the object of the preposition describes the full membership:
OrgMembers are generally people; sub-organizations within a larger organization are excluded.
A member of an organization is only labeled OrgMember when the relationship to the Org is in focus: e.g., an activity done as part of a job with an organization will not trigger OrgMember: