Career
He was born into a farmer family. He joined the Independent Smallholders, Agrarian Workers and Civic Party (FKGP) and the Hungarian Peasant Alliance in 1945. He participated in the reorganization of the FKGP during the Hungarian Revolution of 1956.
Faddi secured a mandate in the first democratic parliamentary election in 1990.
He died on August 4, 1992. He was replaced by Tamás Gábor Nagy on May 3, 1993 after winning the by-election in Kunszentmiklós and its area.