Thesaurus Thursday - volunteer
Originally published at Poise and Pen. You can comment here or there.
volunteer verb 1 I volunteered my services OFFER, tender, proffer, put forward, put up, venture.
2 he volunteered as a driver OFFER ONE’S SERVICES, present oneself, make oneself available, sign up.
noun each volunteer was tested three times SUBJECT, participant, case, patient; informal guinea pig.