Just another body on deck. Keeps to himself.
The other men give him a wide berth. He's not unfriendly exactly, it's just... well, spend long enough at sea and you develop a feel for things.
You know when a man has the devil at his back.
And you know when that man turns to walk through the gates of hell, and spit in the devil's face.
Ed follows orders.
The other men cross themselves and mutter charms against the evil eye.
The ship sails on.