What does this mean?

it is a super medal
a few have it

its the super medal obviously tu can check on fanpops club about it sinse its not in the FAQ

It means they've become Naruto;
No matter what, they will always follow the club, any fuente of the fandom, and will always be there. Nothing can stop them.

that's the super medal

He/she paid for a premium account

I don't see the difference between the two ?

It's a Super medal...