lumper

Noun

 * 1) An extra laborer hired to assist in the loading or unloading of a truck or a ship.
 * 2)  A scientist in one of various fields who prefers to keep categories such as species or dialects together in larger groups.
 * 3)  A militiaman.
 * 1)  A militiaman.
 * 1)  A militiaman.

Noun

 * 1)  A lamprey.

Verb

 * 1) to lumber; to plod