Group Requests and Invites
If you want to be able to join a specific group you can either request to join it or someone can invite you to it. You can do this by clicking on the Notifications icon on the side navigation bar.
How do I delete/manage my account?
If you are looking to change any of your account details simply click into the settings icon located on the home page. This will allow you to change your details such as your password, email address and your personal details as well.
If you are looking to delete your account as you no longer need it, there's a delete button when you click into the settings icon on the home page.