Kammala jumla mai zuwa: A watan Agusta 1936, Jami'an Tsaro na Gwamnatin Ioannis Metaxas sun kama shi kuma aka daure shi. Daga kurkuku, ya ba da wasiƙa yana ƙarfafa dukan Helenawa su yi tsayayya da
Italiyanci mamaye na Oktoba 1940 da kuma canza yaki a cikin wani anti-fascist yaki. Wasu 'yan kungiyar KKE, wadanda ba su yi imani da cewa yakin da ke gudana tsakanin manyan kasashen da ke mulkin mallaka ya bambanta da yakin duniya na farko ba saboda kasancewar USSR a fagen duniya, sun yi la'akari da cewa wannan wasika ta kasance ta hanyar mulkin Metaxas. Har an zargi Zachariadis da cewa ya fito da shi don ya sami tagomashin Konstantinos Maniadakis kuma a sake shi daga kurkuku. Wasikar Zachariadis ta kasance ginshiƙi na muhimmiyar gudummawar KKE ga motsi na National Resistance da Fascist occupiers (1941-1944).