Privateers carried a large crew since sailors were needed to operate prizes. The men did not receive wages but the need to keep them supplied with food and drink was expensive. So if a privateer caught few prizes it was likely to be put up for sale.
Reference: Nova Scotia Archives Newspapers: Acadian Recorder 15 January 1814 p. 3
Nova Scotia Archives — https://archives.novascotia.ca/privateers/archives/
Crown copyright © 2020, Province of Nova Scotia.