In September 1906, he entered Macedonia leading a 14 men band with the mission to protect Greek villages in Giannitsa Lake (called O Valtos, i.e., "the Swamp" by locals) from the attacks of VMRO members that controlled the northern part of the lake. With the help of local Macedonian Greeks such as the wealthy tradesman Zafeiris Loggos and  (actually an ethnic Bulgarian) from Naoussa, in only three months he managed to limit Bulgarian presence in the Swamp.
In September 1906, he led a small group of 14 men into Macedonia to protect Greek villages near Giannitsa Lake from assaults by VMRO members who dominated the northern part of the lake. With the aid of Macedonian Greeks like Zafeiris Loggos and a Bulgarian collaborator from Naoussa, he was able to confine Bulgarian presence in the region within three months.