He participated in the Fight on Čelopek when the Chetniks destroyed the Turkish forces.

They were received by Albanian Lanja Ukin who had given them his word (besa) that nothing would happen to them in his house, however, he immediately alarmed the Turks in Orahovac who surrounded them.

The Turks brought Lazar's mother to recognize him for them, but she did not, in order to save her village and family.

[2] The heroic deaths of Kujundžić and Milošević inspired Milan Rakić to write a poem "At Gazi Mestan",[3][page needed] and the stoic comportment of Lazar's mother moved Serbian Catholic Ivo Vojnović to write a play called "The Resurrection of Lazar" (Lazarevo Vaskrsenje) in 1913.

Another poet and veteran Chetnik Milosav Jelić dedicated a poem to Lazar Kujunžić's mother -- Majka Kujundžića -- in his collection of poems, Srpski vijenac (Serbian Garland).