SocialErasmus is an international project by the Erasmus Student Network (ESN) that promotes a social attitude among young citizens participating in mobility programmes, to facilitate their integration into the local community while gives them the chance to make a long lasting social change in society through volunteering activities. The project goes under the slogan:

Leave your mark!

The aim of SocialErasmus is to enrich the international experience of young people abroad with volunteering activities that allow them to understand society’s problems and to work on the solutions. SocialErasmus provides an opportunity for international young people to get to know other realities and learn how they can contribute to improve society as citizens of the world.
Our mission is to provide young citizens the opportunity to do more with their mobility experience, to make a difference and create a positive social change through volunteering.
We believe mobility is a life-changing experience through which young citizens are able to broaden their horizon and face realities different from theirs, enabling them to develop as citizens of the world making a contribution to the improvement of society.
ESN volunteers organise SocialErasmus activities that impact every cause and provide a social change. Some (but not all) of the causes are: Disaster Relief, Discrimination, Education, Environment, Health, Poverty and Violence.

You can get more information on SocialErasmus on the official website of the programme and by watching this and this videos.