representee
/ˌrɛprɪzɛnˈtiː/noun
1A person who or thing which is represented. rare.
2 Law. A person to whom a representation is or has been made.
Origin
Early 17th century; earliest use found in Richard Montagu (bap. 1575, d. 1641), bishop of Norwich and religious controversialist. From represent + -ee.