Graduating in 1886, Khajag became a teacher and for seven years taught in parochial schools in Baku, Akulis,[4] and Ganja.

[2][3] In 1906, he became one of the founding editors of the newspaper Harach, working alongside Avetis Aharonian and Yeghisheh Topjian.

[1] After being released from prison in 1912, Khajag returned to Constantinople where he contributed to the local newspaper Azadamard, while becoming a principal of an Armenian school in the district of Samatya.

[6] On the night of 24 April 1915, Khajag was arrested and imprisoned in Constantinople, then sent via train to Ayaş, a village located in the interior provinces of the Ottoman Empire.

[7] Confined in a prison at Ayaş, Khajag along with Rupen Zartarian, Sarkis Minassian, Khachatur Malumian, Harutiun Jangülian, and Nazaret Daghavarian were to be transferred to Diyarbakir on 2 June.

[8] Ostensibly, they were to undergo a court-martial in Diyarbakir;[9] however, Khajag along with the rest were murdered en route in the area of Karacur between Urfa and Severek (today Siverek).

[8] The order for the murder was given from Captain Şevket to Haci Onbaşı, a member of the Special Organization.