mineworker

NOUN /maɪn,wɜrkər/
10 LETTERS · STARTS WITH M

mineworker is a valid 10-letter word worth 19 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
M3I1N1E1W4O1R1K5E1R1
3 + 1 + 1 + 1 + 4 + 1 + 1 + 5 + 1 + 1 =19 PTS
DOUBLE WORD → 38TRIPLE WORD → 57
MEANING

What does mineworker mean?