- supporting member : plain member, supporting the project, gets access to newsletter archive, & ? READ operations
- institutional member : membership for an institution, school, body, organisation in support, how to distinguish this type of account ? READ opearations
- administrative user : uploads pdfs, can view members list, can add, confirm, ban or remove members. What else ? Create Read Update Delete CRUD operations
- superadmin : for webmins; all CRUD powers + PHP-Login management
Am I missing any ?