In the 1920s , he played an important role in Sovietization of the Caucasus .
In the 1920s , he later led Georgian Communist opposition to Joseph Stalin 's centralizing policy during the Georgian Affair of 1922 .
In the 1920s , he played an important role in Sovietization of the Caucasus , but later led Georgian Communist opposition to Joseph Stalin 's centralizing policy during the Georgian Affair of 1922 .