Outing the first lecture of the course.

Privately ask Steve if he is aware how other students are responding to his behavior. Suggest modifications to his behavior.

Publicly ask Steve if he is aware how other students are responding to his behavior and how « distracts your train of thought.

Do NOT intervene. Steve paid for the course and has the right to behave any way he pleases.

Publicly tell Steve how other students are responding to his behavior and how it distracts your train of thought.

Fill out a counseling form on Steve and advise him of the consequences of continuing his behavior.