A substitute or analogue.
Someone who represents others as a member of a legislative or governing body.
One who speaks for or acts on behalf of another in a particular (especially official) capacity.
An heir.
A member of a particular class.
Something representing or standing for another; a symbol, an embodiment.
A company agent who visits potential purchasers; a salesman.
Something (especially a living organism) regarded as typical of its class; a type.
Specifically, a member of the United States House of Representatives.
Representing, showing a likeness.
Typical; having the same properties or interest as a larger group.
A substitute; something that substitutes for another.
A substituendum; something to be substituted or replaced.