I'm a helping a hockey sim league set up a new website. Right now it's strictly forum based using JCink or something as a host. One of those sites where you can sign up for a forum blah blah.

They want to turn it into more of a real website that has a page for the forum. I was hoping to use Wordpress since I'm not going to be maintaining the site and these are all young kids that don't have a lot of experience.

I am looking for a plug-in for a forum that gives them the ability to allow different users admin access to different parts of the forum, it has to function properly as the site has a ton of daily traffic. The most important thing is it has to be mobile friendly.

I'm not sure if there is a plug-in out there that will meet all of the requirements so if not is there another way to host a forum on the Wordpress site using the same domain?