Sentence:  The retribution for those who failed to help <WSD>bushrangers</WSD> could be severe. Thomas Kenton was imprisoned in 1825, accused of having allowed Matthew Brady to escape, but was later murdered by the <WSD>bushranger</WSD> as an informer.28 
Meaning of the word marked with <WSD> tags:  A convict or outlaw who escapes to the bush to avoid capture; a roving bandit who lives in the bush.