Revenge of sort

The old ship has four cranes for loading
Also, unlading has anchored in
the bay
For four days.
It must be hot all portholes are open and the cook
Sweats in the galley it drips onto the dough
Moreover, into the food, cooks transpire a lot and it
Has to go somewhere.
They call him a fool but eat his sweat a sweet
Revenge a secret he keeps to himself.
The crew pick rust and paint a little but most
Of the time they sit in the mess hall waiting for
Something to eat.
Dinner is served, the cook wash pots and pan
Goes into his cabin lays down on the couch the one
Under the porthole, and sleeps till it is time
To prepare the evening meal.