deputy

/ˈdɛpjəti/
noun
  1. A person who is given the power to act for someone else, especially a more senior person.
    • The sheriff's deputy arrived at the scene within minutes.
    • He was appointed as deputy to the director of the agency.
    • The manager was on vacation, so her deputy handled the meeting.
  2. A member of a legislative assembly in some countries, such as France or India.
    • The deputies voted on the education reform bill yesterday.
    • Each deputy in the National Assembly represents a specific constituency.
    • The deputy from the rural district proposed a new farming law.
Antonyms