the first thing i would do is call the local police department, explain them the problem, and ask to make the neighbor stop harassing you. they will probably come over and talk to the neighbor. if this is a civil matter (which it probably is not), only then you will need to file a lawsuit.
i...
i cut in front of a guy today and he got pretty mad. he started honking at using high beams at me. in response, i showed him the finger. he proceeded to follow me home and when i got out of the car there was a heated discussion about our driving skills. he called me a motherf---r and left.
in...