We cannot separate social cooperation for development volunteering because the cry of the poor cry out to heaven and to all people of good will should shock. In short: do not listen to the cry of the poor is an irreparable loss for humanity. Was not perhaps the clairvoyant motto of Manos Unidas in one of their campaigns: change your life to change the world? Else aims to social volunteer work but change the structures of injustice imposed by a few models of development, life systems and a few selfish and inhumane behavior while social volunteers open its heart and tend his hands toward those who call us from your pain, your abatement and from their social marginalization? Sometimes, we have people that will distress by how badly that the world is going, the problems of displaced persons and migrants, wars and all the misfortunes which show us the media, and which are no more than a tiny part of the suffering of millions of beings. It should be recalled that, according to the recent UNDP reports, there are more than eight hundred million people who don't have enough food and about five hundred million suffer from chronic malnutrition, of which about 200 million are children. 1.3 Billion people nearly a quarter of the world's population - live below the limit of poverty, more than fifty thousand children die every day of hunger or diseases caused by it, that an AK-47 rifle costs a hundred dollars which is the amount that could be prevented blindness in more than three thousand children, that five hundred thousand women for childbirth, that hundred million human beings have been forced to flee their homes, each year one million children entering the prostitution market, die each year that more than billion beings do not have access to drinking water, there are more than 100 million anti-personnel mines planted by the world - as many as which are stored to be exported to the peoples impoverished South-, and about seven hundred millions of beings not they have decent housing. Suffice it to say that 18% of the world's population consumes 87 per cent of the goods of the Earth and decides the destinations of eighty-two per cent remaining. Given this, we cannot cross US arms or blaming others. We have been arrested and we respond with our means. Solidarity J.C.G.