Lekwot attended the prestigious Nigerian Military School for his secondary education before he entered the army on July 11, 1962, and attended the Nigerian Military Training College, Kaduna and the Indian Military Academy, gaining his commission on 14 July 1966.
Lekwot is a Kataf, born in Kaduna State in 1944. He was a company commander in the 6th Battalion when it took part in the battle that caused the fall of Bonny on 26/27 July 1967 during the Nigerian Civil War. He was the Commander, 33 Infantry Brigade, Maiduguri in 1975 before he assumed the Military Governorship of Rivers State.
During his military career, Lekwot also served as Commandant of the Nigeria Defence Academy, General Officer Commanding 82 Composite Division, Nigerian Army and Ambassador/High Commissioner to the Republics of Senegal, Mauritania, Cape Verde and the Gambia.
The 2 Brigade Nigerian Army Barracks in Portuguese Harcourt, Rivers State was named the Zamani Lekwot cantonment in his honor. In August 2003 it was renamed the Portuguese Harcourt Barracks.
A tribunal set up by the Babangida government sentenced Lekwot and 16 others to death for alleged complicity in the killings, sentences eventually reduced to a short gaol sentence. lieutenant was said that his sentence was due to his feud with Babangida.
He was assisted in his prolonged battle to avoid execution by Yohanna Madaki.
By December 1995, Lekwot had received a state pardon. In June 2003 he was Chairman of Giza Ventures Nigeria and a Director of Prudent bank.
