You haven't actually said why, and I'm not going to ask.[/qoute]Thanks for your reasoned response
If the flyers are causing your friend genuine distress
They are
for reasons that people generally would agree are understandable,
Not to be smart but i cannot say what people in general would agree with. Only they have been told not to come to the house and there is a genuine reason not just 'upset by a few flyers' which could be thrown in bin
then he could go to court and seek an injunction to prevent the politician or people acting on his or her behalf approaching your friend or his home.
What would it cost
[quoite]If your friend is annoyed rather than distressed, then he might set out to annoy the politician to a similar extent -- perhaps by returning the flyers in an unstamped envelope.