I’m sure we have all had experience of ’that’ raider. They seem to come in an almost infinite number of flavours but the end result is always the same — a disruption to the team. Perhaps your version of ’that’ raider does not ever stop talking, perhaps they do not ever start talking, perhaps (and this is probably a little more common) they talk just enough to offend, antagonise or generally upset the teams delicate emotional balance1.