Does anyone know what a user has to do to get a dedicated fan/hard-core fan/fanatic medal?

Well that's easy just post imagens a few at first and they all have to have 2-4 fãs then add mais and they get 2-4fans too you get die hard like me and basically just keep adding stuff

Add vídeos and imagens a lot and find peoples to fã them.

Well u just have to work on the club on which u want to get the dedicated just add imagens , vídeos , write artigos add respostas , add pesquisas , add quizzes as many as u can its a little hard try this for 1-2 weeks & u'll get ur Medal

I hope I have helped :)

All you have to do is basically just contribute a LOT to the club you want a medal in. :)