A beggar

My brother has just moved to a house in Aning street.Yesterday,I decided to visit him.On the way, a strange man towards me,he said,'Are you Mr.Lee?','No,I'm not.',I replied.'Don't you remember me?'he said,'Sorry,I don't 'I said.'Could you lend me some money?',he said.'Oh,man,I didn't know you,I think I can't.',I said.He said,'What a shame,I'm hungry ,could you please give me a meal?'.Finally,I bought him a hamburger.In return for this,he told me a joke.
When I went to my brother's house and mentioned that to him.My brother told me,everyone knows that man,he is a beggar.He always say he is your friend,and asks for a meal.