Your definition is an invitation for POV If we start deciding who is really a peackeeper and who is not really a peackeeper we will never reach an agreement on any peackeeping mission not just this one If they have a legal mandate they are peacekeepers They are a part of a legal peackeeping force thus they are peacekeepers And yours is a false argument anyway The treaty that put the peacekeepers in place explicitly states they are there to guarantee the status quo and dissuade any side from trying to wrestle control of any territory by force Thus in repelling the Georgian attack they actually acted as their mission demanded