Board Thread:Support Requests - Getting Technical/@comment-9869589-20150201065557/@comment-25240518-20150201204423

Nope, it isn't. If you're referring to user groups such as Helper and Councillor, only Staff can add those rights, and if you wish to add them, you have to compose an email addressed to Wikia themselves.

And like Orange stated, their email is community@wikia.com. Good luck!