mandator

1. In this legal relation, the fund holder is a client, fund superviser and fund mandator are trustees.
   在此法律关系中，基金持有人是委托人，基金管理人和基金托管人是受托人。
2. Trust contract is a contract between mandator and trustee concerning a third party who has the right to sue against trustee;
   信托合同是委托人和受托人之间订立的第三人有请求权的涉他合同；

noun

1. an authority who issues a mandate