Of the later dialogues of Plato, the Sophists stand out. This article highlights the concept of sophist as propounded by Plato. A didactic approach runs through the text. Socrates harps on the relation between sophist, philosopher and a statesman. Are they three different or they are the same. The basic idea that Plato wants to convey is, both features highlight some of the key enigmas of the dialogue: What is the relation between the outer and middle parts? How seriously are (...) we to take the outer part? And is there a genuine, and successful, attempt to say what the sophist is? The article focuses on two key problems discussed and solved in the middle part: the late-learners' problem, and the problem of false statement. The article also discusses communion of kinds and Plato's idea of the four quartets. (shrink)