1. Noun A ㉠________ is a person who is chosen to vote or make decisions on behalf of a group of other people, especially at a conference or a meeting. ※ synonym ㉡________ 2. Verb If you ㉢________ duties, responsibilities, or power to someone, you give them those duties, those responsibilities, or that power so that they can act on your behalf. ex) He plans to ㉣________ more authority to his depu..