Grande Catastrophe
After the Population exchange between Greece and Turkey of 1923, Vafeiadis went to Thessaloniki and Kavala as a refugee. From 1928, he worked in Thessaloniki as a member of the Young Communist League of Greece (OKNE). In 1932, he was imprisoned and sent to internal exile for his political action. After his release in October 1933, he worked as party instructor in many areas of Greece.