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Either: Have a signup page where you can give your personal details and fill that form. Also specify a body that you want to to join in the first place. If the body is a body which can accept users to the system add that user to the membership requests. When the membership to the body is approved the way the body would normally accept its applications, also the oms membership is accepted 

Leave the oms

A user who is fed up with aegee should be able to leave the oms and have his data deleted.

Navigate to your profile page, have a small and hidden button somewhere, which asks for confirmation several times, and then delete all information about that person. Redirect to a page with a crying smiley

Edit your personal details

Navigate to your profile page, have a button to edit your page, then be presented with a form where you can update your personal information

Bodies

See who is in your/another body

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Navigate to the page where you see all users in the body, have a way to select one for deletion maybe with providing a reason.

Change basic details of a body

Board members should be able to edit some fields like address of a body

Navigate to a body the usual way, then have a button which brings up a form to edit body details

Circles

See which circles there are in a body

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