 Zappas akava nhengo yesangano revaGiriki raida nyika yavo rainzi Filiki Eteria uye akabatana nevanhu vomunyika yake pakatanga Hondo yeGirisi Yokutsvaka Rusununguko muna 1821. Munguva iyi, Zappas akasvika pachinzvimbo cheMajor muuto reshanduko ndokuva shamwari yemukuru weSouliot, Markos Botsaris. Mushure mekufa kwaBotsaris muna 1823, Zappas akashanda pasi pevakuru vemauto vakasiyana-siyana vekurwira rusununguko, vakadai saDimitrios Panourgias, Kitsos Tzavelas, naMikhail Spyromilios. Akatora chikamu mumakakatanwa makuru akati wandei, sekukombwa kweSouli, kukombwa kwekutanga kweMissolonghi uye Hondo yePeta. Mukunyorerana kwaakazoita nomumwe mukuru mukuru weGreece, akataura kuti akakuvadzwa kashanu muhondo yacho. 