He was arrested on 4 April 1944, and imprisoned in Kristiansand before sitting in Grini concentration camp from 5 August 1944 to 8 May 1945. After the war he became deputy mayor of Nes, serving as mayor from 1952 to 1956. He was an editor for the newspaper Agder from 1954.
Seland also wrote books on local history.
He backed down and sold the newspaper in 1970. He died in 1996.