Theoretically it can work, but...

For example - I have 2 kinds of the membership:
1) Moderators - free membership, only for moderators
2) Premium - paid membership, for everyone
What if moderator wants to have 'Premium' (sponsor) account?

The second thing is that in this situation 'Moderator' will have only access to materials which are available for him (privacy settings) - public or his friends materials.
AntonLV
You may create 'Moderators' membership level as a level with all available actions.
In this case moderator doesn't want to be a 'Premium' member.
 
 
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