Sentence:  Robert Taillon, a <WSD>lugger</WSD> at Rapid, testified that in December 1997, Carlos Diaz and Michel Labrosse began to train Rene Delage as a <WSD>lugger</WSD> for the large transformers. 
Meaning of the word marked with <WSD> tags:  One who lugs, especially one whose job entails pulling or moving heavy objects.