 He was then forced to do other tasks including cutting the hair of the women before they went to the gas chambers.Freiberg managed to survive the regime of daily abuse, starvation and cruel treatment for about 17 months.In October 1943, Freiberg participated in the Sobibor prisoners' revolt and he managed to escape into nearby woods and joined the Joseph Serchuk's Jewish partisan unit in the Lublin area of occupied Poland until the Soviet Army liberated the region in July 1944.