As you give,take time to chat with the poor. Talk about the weather, ask them how they are doing, offer them luck or a prayer. Just by being positive and hopeful, you can improve a person’s life and make the well-being of everyone better.
How is this so? One of the greatest difficulties of poverty is isolation, feeling left out of society. A homeless person, a person with AIDS, a jobless person, a mentally ill person often feels that they are no longer a part of "normal people", that they have been left behind. They feel that they aren't as "worthy" as the people they see driving their cars.
To have a normal conversation with someone who has felt outcast makes them feel a part of humanity again, as if they belong. Again, this may seem like a small thing, but it can change the attitudes of the poor. And if the attitudes of the poor change, especially toward "normal" society, then they act different and eventually attitudes toward them will change as well.