volunteer
noun [ C ]
uk/ˌvɒlənˈtɪər/ usa person who does a job or some work without being paid or forced to do it:
They employ 1,000 people and 23,000 volunteers.
I will ask for volunteers to help with the search.
volunteer
verb [ I or T ]
uk/ˌvɒlənˈtɪər/ usto offer to do something without being paid for it or without being asked to do it:
If they're short of helpers, I could volunteer.
volunteer to do sth I volunteered to do the accounting.
volunteer for sth He volunteered for early retirement.
volunteer sb for/to do sth He volunteered his wife for the job.
More residents need to step forward and volunteer time and energy.
volunteer
adjective
uk/ˌvɒlənˈtɪər/ usused to describe someone who works without expecting payment, or the work they do:
volunteer staff/workers
a volunteer doctor/firefighter/lawyer The legal advice centres are staffed by volunteer lawyers.
Her volunteer work took up most of her free time.
Compare
paid