Career
Born in Olkusz in Poland, Feder fought in the Red Army during World World War World War II He made aliyah to Israel in 1949, and served as secretary for Nesher council. He later worked as treasurer for Beersheba"s city council. From 1963 to 1965 he worked in Brazil as a Jewish Agency emissary, before serving as Mapam"s secretary from 1968 until 1976.
In 1977 he was elected to the Knesset on the Alignment list (an alliance of the Labor Party and Mapam).
He was re-elected in 1981, but lost his seat in the 1984 elections. Feder also worked as a UNWRA director with responsibility for child refugees.
He died in 2009 at the age of 89.