[1] During the 1917 General Strike, Oksa joined the Turku militia and in the 1918 Civil War of Finland he fought for the Red Guards.

In April 1918, Oksa was captured by the German troops and sent to the Tammisaari prison camp, but he managed to escape and fled to Sweden.

Oksa also shortly lived in St. Petersburg where he was acquainted with the members of the exile Communist Party of Finland.

In 1924, Oksa returned Finland and worked as the head coach of the Finnish Workers' Sports Federation.

According to the 1952 gold medalist Viking Palm, Oksa raised Swedish wrestling into glory out of nothing.