The link below leads to a fantastic post from a friend of mine. Her family has gone out of their way to befriend several homeless individuals. The heartfelt elucidation of her feelings about her homeless-addict friend digs to the heart of what it means to love anyone, homeless or not. C.S. Lewis said, "To love at all is to become vulnerable. Love anything and your heart will certainly be wrung and possibly broken."
"All the people saw this and began to mutter, 'He has gone to be the guest of a 'sinner.'' But Zacchaeus stood up and said to the Lord, 'Look, Lord! Here and now I give half of my possessions to the poor, and if I have cheated anybody out of anything, I will pay back four times the amount. 'Jesus said to him, 'Today salvation has come to this house, because this man, too, is a son of Abraham. For the Son of Man came to seek and to save what was lost." (Luke 19:7-10)