You must join the server by pressing the button "Join the server" above and contact the staff, or the user that made the staff listing.
As a mod you'll be able to: 1. Moderate 2. Have a respected rank 3. A chance to be part of something different
Anyone who joins has a mod will not only moderate, but they'll have a respected rank next to their name, stand the chance to become part of the table of councilors or even become a server president.