This feature is helpful when trying to troubleshot an error, see the view a member or nonmember sees, etc. 

1. From Community home, click on DIRECTORY

2. Type the member's name and click search

3. Click on the member's name

4. From their profile page, click on Impersonate (Admin Only)

5. Type "test" as reason for impersonation and then click "start impersonation session"

6. When you are done, click "stop impersonating"