VOLUNTEER
- A person who freely offers to take part in an enterprise or undertake a task
- A person who works for an organization without being paid
- A person who freely enrolls for military service rather than being conscripted, esp. a member of a force formed by voluntary enrollment and distinct from the regular army
- A plant that has not been deliberately planted
- to offer one's services [v -ED, -ING, -S]
- A person to whom a voluntary conveyance or deposition is made