Subscribe to multiple shared rosters, each with different vCards?

Hi,

I would like to use ejabberd for a data exchange service with the following features:
- User may create shared rosters. These shared rosters have a moderator. Subscribers need to be approved by the moderator (optional).
- User may choose one of his multiple vCards, which will be used for his subscription to the shared roster.
- A User also has a friendlist. The user also needs to choose one of its muliple vCards to present himself to that that friend. So each of your friend may have a different showing(vCard) of the same person.
- When a friendship needs to be verified. When this is done, that recipient, of the invitation, needs to choose one of its vCards to present himself to the sender of the invitation (friend).

Is this possible in the current ejabberd setup, or does a new extention module needs to be developed?

kind regards,

Ruud