A wide-ranging social-work NGO that arranges volunteer placements at a host of community projects. It also has homestays and a fair-trade shop.
The skills of teachers of English and other languages, fundraisers, and healthcare or IT professionals can all be employed. Minimum commitment usually ranges from one week to two months. However, English conversation classes with local refugees at the office from 4pm to 5pm Monday to Friday are open to all and, on the third Saturday of each month, as much help as possible is required for a mass clean up to rid the streets and woodlands of rubbish.
Or donate what you can from clothes to books to medical supplies.