Over the past week, Labour MP Gaurav Sharma and the Labour Party have clashed over bullying claims. Some commentators have labelled Sharma a 'rogue' MP but what does term mean in historical context? What other 'rogue' MPs do we have in NZ history and are they really 'rogue'? What is a 'rogue' MP? Dr Grant Morris explains it appears to refer to MPs who publicly criticise their own political party. The term 'rogue' isn't very accurate, as from the MP's perspective it is the party that has gone 'rogue'.