You have the power to revoke invitations directly from your Group Hub as an Admin.
Pending Invitations Can Be Withdrawn:
• First of all login to the data camp.
• Go to your group's page.
• On the left panel of your Group Hub, select Members.
• Select Pending Invitations.
• To remove an email address or invitation, tick the box next to it.
• After you've selected the checkbox, click Withdraw Invite.
