The Humanitas project in Deventer Holland offers students free accommodation if they give up 30 hours a month to socialise and interact withholder residents.
This is the dutch website but if you click on the lower picture below “My 93 year old flatmate” you can watch a you tube video with subtitles.
http://www.humanitasdeventer.nl/nieuws/159-humanitas-al-9-3-miljoen-keer-bekeken-op-facebook