constituent >> /kənˈstɪtʃuənt/
Definition: [noun] A member of a constituency.
Example: They said the terms in office of legislators depended solely on the acceptance of their constituents who elected their representatives every five years.
Definition: [noun] A component part of something.
Example: the essential constituents of the human diet
Definition: [adjective] Being a part of a whole.
Example: the constituent minerals of the rock
Definition: [adjective] Being a voting member of a community or organization and having the power to appoint or elect.
Example: the constituent body has a right of veto