OUTSIDER
             RECOMMENDATION                  APPLICATION
             from user                       from outsider themselves
                 |                                   |
                 |                                   |
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                 |              USER                 |
                  \                                 /
                    \                              /
                      \    (at least 4 weeks)     /
                        \                        /
                          \                     /
                             PETITION
                             from user themselves
                                  |
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                               MEMBER
       has equal rights and responsibilities as the founding members