A non-governmental organization (NGO) is a non-profit legal entity. The Law on Non-Profit Legal Entities regulates the rules for the establishment, registration and operation of NGOs. An NGO can be one...
You can choose to donate your time! Be usefull by being there!
If you have a certain skill you may choose to share it with kids or adults in need of education.
If you have a network of involved people, you can raise a donation.