plodder

One who trudges or wanders about; a “moss-trooper.”

One who plods; a drudge; a dull, laborious person.

One who plods; a drudge.

One who plods.

A person who works slowly, making a great effort with little result.

someone who works slowly and monotonously for long hours

someone who moves slowly

someone who walks in a laborious heavy-footed manner