Non-governmental organisations, such as Oxfam, Save the Children and Christian Aid, often give money to people who have been affected by a massive disaster.
Children at a Save the Children camp in Darfur, Sudan
These groups tend not to get money from governments. That's why they are called non-governmental organisations (NGOs). Their money comes from voluntary and private sources.
NGOs are often more effective than other organisations in getting aid directly to the people who need it
In the UK there are over 100 NGOs.