Volunteer
Individual, who is not affiliated with an existing incident response organization or voluntary organization but who, without extensive preplanning, offers support to the response to, and recovery from, an incident.
Glossary Source
Driver+
(
The Trial Guidance Methodology (TGM) handbook produced by the DRIVER+ consortium under Grant Agreement (GA) N° #607798
)
https://www.driver-project.eu/trial-guidance-methodology/