You must have"Club Director" access to remove someone from your club.
NOTE: The ability to remove a member from your club will require that the member is listed as a Player or Staff, but not as a Club Director.
Sign in to the account.
On the left navigation under Members, click on either the Player or Staff tab.
Choose the "Player" or "Staff" you would like to remove.
On the bottom-right side, click Remove.
Click Remove to confirm.