lumper

An extra laborer hired to assist in the loading or unloading of a truck or a ship.

There were owners of lines of schooners, large contributors to the societies, and small men, their few craft pawned to the mastheads, with bankers and marine-insurance agents, captains of tugs and water-boats, riggers, fitters, lumpers, salters, boat-builders, and coopers, and all the mixed population of the water-front.

A scientist in one of various fields who prefers to keep categories such as species or dialects together in larger groups.

A militiaman.

Synonym of lumpman (“type of salt worker”).

A lamprey.

To lumber; to plod.

Over piggeries, and mixens, and apples, and hay, / They lumpered straight into the night; / And finding bylong where a halter-path lay, / At dawn reached Tim's house […]

But, my dear woman, why ever have ye come lumpering up to Rainbarrows at this time o' night?