To remove an item from your site you need to first publish it as unpublishable or publish its parent with all subitems opted in. We'll go through these steps plus a way your Administrator can help you if all else fails.
With any project there comes a time when we grant access to the client's authors. I guess that's the whole point of a CMS, right? But during this transition period I always keep an eye on the Content Management instance's performance to ensure everything is running as it should be, and excessive publishing is a common issue we have to address.