A psychologist would be appropriate for this case study. This kind of therapist will recommend ways to prevent conflicts from happening with the neighbour and to stay on good terms. The therapist will give strategies to help the situation. The patient has to control their emotional state before approaching. It is never good to approach when in an angry state, and be in a relaxed and calm state before approaching and to end the conversation in a positive way and will change the behaviour of himself The psychologist will tell the patient to come up with a plan for both on good terms. The therapist will suggest him to move out from that place to prevent the situation to worsen and have the police involved.