The Deck hand was an unnamed character in Jason takes Manhattan.
The Deck Hand warns everyone on the ship that Jason is on it, Charles doesn't believe him at all until later on in the film. He is killed by Jason in cold blood when he puts an axe in his back. His corpse will forever be on the S.S Lazarus at the bottom of the Atlantic Ocean along with the corpses of Miles Wolfe, a boxer, Eva Watanabe, Tamara Mason, Admiral Robertson, Wayne Webber, a crew member he accidentally killed, Jim Carlson, and J.J. Jarrett.
He is Jason Voorhees' 79th victim.