A person is guilty of harassment in the second degree when, with intent to harass, annoy or alarm another person: 1. He or she strikes, shoves, kicks or otherwise subjects such other person to physical contact, or attempts or threatens to do the same; or 2. He or she follows a person in or about a public place or places; or 3. He or she engages in a course of conduct or repeatedly commits acts which alarm or seriously annoy such other person and which serve no legitimate purpose. Subdivisions two