To move players between classes or groups:
Log in to your account
Go to the group you want to move players into
Go to the group actions menu and select 'move existing players'
4. Select the players you want to move into the group
5. Select 'move player(s)' and confirm
You can also remove individual players from groups by selecting 'remove from group'
This will move the player to the 'additional players' section of your page.