4 adjectives to describe colliers

Who have ye here, honest colliers? 2D COL.

While this was doing, the master seeing some light colliers, who, not able to ride out the storm, were obliged to slip and run away to sea, and would not come near us, ordered us to fire a gun as a signal of distress.

Up-groon fellows used to come an' larn fro her, just same as childerthey did for suregreat rough colliers, an' o' mak's.

It was the cottage of a stout old collier, who lost his right leg in one of Wright's pits some years ago.

4 adjectives to describe  colliers