Explanation:

- Shirk: Means to avoid or neglect a duty or responsibility. It doesn't relate to giving authority to someone else.

- Supervise: Means to oversee or manage activities, ensuring they are done correctly. It's about control, not transferring authority.

- Usurp: Means to take a position of power or importance illegally or by force. It involves taking authority without permission.

- Delegate: This means to entrust a task or responsibility to another person, especially a subordinate. It involves giving one's authority to another.