What are the responsibilities of a librarian?

What are the responsibilities of a librarian?

- Provide the users with the information they require.
- Help the users to search for information online.
- Purchase and classify materials according to the subject matter.
- Supervise people who are assisting the librarian.
- Help in the collection and organizing of books and other materials in various fields.
- Co-ordinate various programs
- Conduct educational classes
- Write Grants