I concur with others about the criminal trespass. He was asked to leave and refused. It is his choice to push the issue.
I attend university as a student and pay a lot of money in tuition. I also pay my share of State income taxes, some of which go to the State University system that supports my education. Even with these payments, I cannot enter the football stadium, the performing arts centers, the baseball fields, etc. when they are closed to the public.