 Nyora kupfuurira kweiyi ndima - Akabatana neRussian Social Democratic Labour Party muna 1903. Akanga achishandawo mubato revechidiki revashandi veFinland. Akanga achishingaira mu 1905 Revolution achishanda sechikamu cheboka reBolshevik muKronstadt. Pashure pokukundwa kwechimurenga, akatizira kuKuopio, Finland uye akava anoshingaira mubato rezvamatongerwe enyika ikoko. Muna 1913 akadzokera kuSt Petersburg, uye akapfuurira kuva anoshingaira pakati pePetrograd Bolsheviks. Pashure Pokubudirira kwevaBolshevikakatumirwa kuFinland kunoronga maRed Guards. Pakatanga Hondo Yenyika yeFinland, Rahja akakuvadzwa muhondo yeKämärä uye akaramba ari muchipatara kusvikira hondo yapera muna May 1918. Mushure mekukundwa, Rahja akatizira kuRussia SFSR ndokuva nhengo yekutanga yeFinnish Communist Party SKP. Akanga ari mumiriri weSKP uye wekutanga neyechipiri makongiresi echitatu International. 