As seen in this thread:
https://forum-en.gw2archive.eu/forum/professions/thief/wvwvw-thieves-listen-up/first#post494172
Going to be starting a thief guild. Even if your thief is your alt, and you are willing to get it to 80 within a month, you are very welcome. Our organized groups will be thieves only.
The thread linked above has a vote going on for server and guild name. Post if interested.