Maxin was born into a peasant family in the Masurian village of Wichrowitz (today Wichrowiec, Poland), where he visited school and worked on his family's farm. He married in 1913 and became engaged as a lay preacher of the gromadki-movement in the East Prussian Lutheran Prayer Community (Ostpreußischer Lutherischer Gebetsverein).[1]
After World War I he joined the German National People's Party (DNVP) and was elected as deputy of the Constituency 1 (East Prussia) to the Weimar German Reichstag. Maxin was a member of the Reichstag in 1921 till 1924 and became the Chairman of the Wichrowitz commune and member of the district parliament of Neidenburg.[2]
After the Nazis took over power in Germany in 1933, his citizens involvement was prohibited and Maxin joined the oppositional old-Prussian Confessing Church in 1934. He became a member of the Brethren Council of Confessing Church and organized Lutheran youth camps and Church services on his farm, which caused permanent supervision by the Gestapo.
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In 1945 Maxin fled to West Germany, where he died in Stade in 1960.