So you want to help people-you see the media images of the starving and destitute, read about the mass scale of human suffering in the world-and you want to "make a differance", to do something to help. That is a noble sentiment. It is something conservatives and liberals agree on.
However, liberals and conservatives do not usually agree on the means to these noble ends. As for myself, I favor addressing the root causes of these symptoms with far more resources than we use right now. Most of our time and money is spent on addressing the symptoms. We send money and food to the starving and homeless. We give those things that destitute and sick people need right away. That is good. But the problem doesn't go away, and in many instances, becomes worse.