You might want to review the debacle that was the Salim Mehajer article then.
There's a summary here, but it rather understates the whole thing - read the above link first if you have time: http://motherboard.vice.com/read/wikipedia-editor-says-sites...
That's... wow. I assumed it was something about the subject of the article getting involved in harassment, but it doesn't seem to be.
I'm glad that the author got some help.