“Need” now means wanting someone else’s money. “Greed” means wanting to keep your own. “Compassion” is when a politician arranges the transfer. Joseph Sobran
That would be what we call “redistribution” or, in the words of Obama, “spreading the wealth around“. Regular readers know that I’m a proponent of social justice, but I also believe that this is a priori a citizen responsibility. The state should intervene and forcefully redistribute only when citizens fail to act responsibly towards their fellow-citizens. Charity is proof that people don’t always need to be forced by the government to help the needy, who, by the way, don’t want other people’s money, just a decent life.
Here is a post giving some more detail on the role of citizens and the government with regard to poverty reduction.