How can users activate their multiple-user profiles to become a Mentor or Mentee?

To become both mentee and mentor, please follow as below;

1. Sign in to your account.
2.  Go to your "Profile" page by clicking on the Profile Drop-Down Menu on the top right, shown in the picture below.
3. As illustrated in the image below, you will see "Enable Mentor Profile" or "Enable Mentee Profile," which you should click to enable your profile as both a Mentee and a Mentor.
4. After enabling your new user role, you will see profile questions of the relevant role, after you answer them, your profile will be active.

You can now use your account as both a mentee and a mentor.