Coalminers, also known as coal workers, are individuals who work in underground coal mines to extract coal from the earth. Synonyms for the word coalminer include pitman, collier, miner, mine worker, and underground laborer. Pitman was a term used for an individual that worked in a coal mine during the 19th century. Collier is another synonym that has been used since the 17th century and refers to someone who collects or mines coal. Miner and mine worker are more general terms used to describe individuals who work in any type of mine, but can also be used for those working in coal mines. Finally, an underground laborer refers to someone who works below ground and can be used as a synonym for coal miner.