n. 煤矿工人, 运煤船, 运煤船员

[ noun ]
someone who works in a coal mine
<noun.person>

Collier \Col"lier\, n. [OE. colier. See {Coal}.]
1. One engaged in the business of digging mineral coal or
making charcoal, or in transporting or dealing in coal.

2. A vessel employed in the coal trade.