Cestuy; Cestui

Part of speech: pronoun (pron.)

He; the one. Cestuy que trust ( Etym: [norm. F.], a person who has the equitable and beneficial interest in property, the legal interest in which is vested in a trustee. Wharton. -- Cestuy que use ( Etym: [Norm. F.], a person for whose use land, etc., is granted to another.