Sentence:  Every deerstalker will bear witness to the eagerness of Highlanders in pursuit of their old favourite game, the dun deer; the mountaineer shews what he is when his eye kindles and his nostril dilates at the sight of a noble stag; when the <WSD>gillie</WSD> forgets his master in his keenness, and the southern lags behind; when it is "bellows to mend" and London dinners are remembered with regret. 
Meaning of the word marked with <WSD> tags:  A fishing and hunting guide; a man or boy who attends to a person who is fishing or hunting, especially in Scotland.