(a) No person, with purpose to prevent or disrupt a lawful meeting, procession or gathering, shall do either of the following:

(1) Do any act which obstructs or interferes with the due conduct of such meeting, procession or gathering;

(2) Make any utterance, gesture or display which outrages the sensibilities of the group.

(b) Whoever violates this section is guilty of disturbing a lawful meeting, a misdemeanor of the fourth degree. (ORC 2917.12)