This is based on my *insert how many years the internet has been around for* years experience in different online communities.
You will avoid making forum threads when you're new?
You will avoid starting arguments?
You will keep your political agenda and religion to yourself?
What next? How about not uploading anything in case a big meanie troll comes? How about not commenting anywhere in case the big meanie troll sees it?
Whatever you do, wherever you do it, face it-this is the internet. You'll see a few trolls here and there. How about ignoring them or...
THE BLOCK FEATURE-LEARN HOW TO USE IT
Someone's annoying you? Doing something you don't want to put up with etc? Well just block them and forget about it. Here's how:
FAQ #96: Can I block people from my profile page?
This will prevent people from commenting on your page and all your deviations or replying to anyone there. There, that's it.
What if they make another account and start harassing you from there? Well file a ticket and send it to the ~helpdesk, it's against the rules to do so. Several members, even ex-volunteers and a current one have been banned in the past for block evading. It's very simple really.