The focus of this essay is how Doctors without Borders opposes the realist school of thought. Focus is primarily on the rules that the organisation ascribes to and how its actions reflect a clear deviation from realism to liberalism. As such, part one of the essay focuses on the organisation and its core mandate. It looks at how Doctors without Borders has endeavored to ensure that remains true to its core purpose. Reference is made to different projects and how Doctors without Borders acted when faced with a number of challenges that affected their core rule to be a neutral party in conflicts.