炭たん鉱こう労ろう働どう者しゃMeaningsNoun1. coal minerKanji used炭charcoal鉱ore労labor働work者someoneComposed of炭たん鉱こうcoal mine; (coal) pit; collieryNoun労ろう働どう者しゃworker; (manual) laborer; labourer; blue-collar workerNoun