Sentence:  What he saw was not usual in this part of Australia - a <WSD>sundowner</WSD>, a bush waif who tramps from north to south or from east to west, never working, cadging rations from the far-flung homesteads and having the ability of the camel to do without water, or find it. 
Meaning of the word marked with <WSD> tags:  An itinerant worker, such as a swagman, who arrives at a farm too late in the day to do any work, but readily accepts food and lodging.