volunteer

Depending on infection rates for the disease, a phase three vaccine trial may involve thousands to tens of thousands of volunteers.

He then went back to his volunteer corps, which had formed when they did not yet have an ambulance.

There is a distinct smell of apples, which are handed out by volunteer workers.

Women do volunteer and women are victims—you have to think in nuanced kind of way.

You can read more about the civilian-volunteer position here.

However, the Los Angeles Police Memorial Foundation seems to be behind the idea of making their famous supporter a volunteer cop.

Yet there never was lacking a volunteer, either man or woman, to go to that well and obtain the precious water.

There were no more sleepless nights, fearing an attack from the dreaded rebel or the volunteer.

His father, a man of means, was prominent as one of the pioneers in organizing the volunteer army of Great Britain.

On reaching the front the volunteer captain soon found scope for his pencil.

Captain Brasyer brought 130 loyal Sikhs to the column: there were six small guns, and eighteen volunteer cavalry.