Eliezer came from a working class family in a village near Pécs. In 1944 he was enlisted in a forced labor unit but after about a month he was released and worked in a factory. Eliezer joined the underground and helped free Jews from forced labor camps mainly in the Székesfehérvár area to where he traveled three times. He was also active in Budapest in the Swiss legation and in one of the centers of underground activities on 17, Wekerle Sándor Street.
Eliezer made aliya and was a member of Kibbutz Yehiam until 1952.
Later he worked with the police force as an officer.