Unaffiliated volunteers

Spontaneous or unaffiliated volunteers are individuals or groups that:

• arrive unsolicited at the scene of a disaster
• may or may not be a resident of the affected community
• may or may not possess skills necessary to respond to the current disaster
• are not associated with any part of the existing emergency management system

Source::https://www.ojp.gov/pdffiles1/Archive/202852NCJRS.pdf