A privateer was a privately-owned ship that was given an official government letter of marque to raid enemy shipping during wartime. The term also applies to sailors on such ships.
↑Summary of Service of N.H. Privateer "General Sullivan" at
[1]Archived 2016-09-13 at the Wayback Machine
additional links of interest:
1847 obituary of "General Sullivan: Crewman mentions his capture 1779 by the "RoebucK"
[2] Also reported capture of "Charlotte" by General Sullivan"
[3]