No, But I have been a rollback on this wiki for quite a while and I think that It’s time for me to step up and be an assistant.
Yes, many times especially with errors on semi-protected pages.
Well, I correct spelling, as well as grammar mistakes on this wiki. I also add/organize Galleries on this wiki to make sure they are in good order and up to date.
To protect pages from trolls to prevent excessive editing.
As a rollback, I go through edits to make sure that all edits are in good order. I also make sure that all grammar, structure and spelling are to perfection and I currently have 750 mainspace edits.