How to acquire delegate email access

A user may delegate their email to another user via Gmail settings:
1. Open GMail in a Chrome browser.
2. Click the gear icon in the upper right quadrant of the screen.
3. Click See all Settings.
4. Click the Accounts or Accounts and Import tab.
5. Click Add Another Account  next to Grant access to your account and then enter the email address of the user that this email account is to be shared with.