I Hide My Groups From You, OK? Generale

Open Enrollment
Anyone is welcome to join, and invite.
Privileges don't exist, this is purely for informing those who look at your profile that you are exercising your right to privacy.
To hide any one of your existing groups go to the bottom right of GENERAL and uncheck "List Group in my Profile" then APPLY.
Now your groups will be visible to you only. Others looking at your profile will not see your hidden groups.