How to remove a user

From a Workspace

Go to the People tab within a Workspace or click on the 'Settings' link then 'People tab'. You will see the list of everyone who has access to the Workspace. To remove them, simply click on the 'Remove' link.

Completely from the account (all workspaces)

If you want to remove a user from all Workspaces and to your account, go to the 'Admin area' then the 'User Security'.

You will see a list of all users on the account - simply find the person in question and then click on 'Delete user'.