In 1818, he was initiated into the Filiki Eteria (Friendly Society) which was preparing the ground for the revolt. When the war broke out, his fellow islanders made Tombazis admiral of the fleet of Hydra.
In 1818, he was initiated into the Filiki Eteria (Friendly Society), which was preparing the ground for the uprising. When the conflict erupted, his fellow islanders appointed Tombazis admiral of Hydra's fleet.