Kovačević was born on 9 May 1988 to a Montenegrin Serb[1] family in Nikšić, at that time part of SR Montenegro and SFR Yugoslavia.

[2] After graduating from the University of Montenegro, Kovačević joined the New Serb Democracy, an ethnic Serb political party in Montenegro and became a member of the Municipal Assembly of Nikšić in two convocations and member of the Committee for Statute and Regulations of the Municipal Assembly of Nikšić.

[3] In 2019, Kovačević attended the unveiling and consecration of the monument to the Chetnik leader Draža Mihailović in Ravna Gora Park in Bileća, Republika Srpska, Bosnia and Herzegovina.

[4] During the 2019-2020 clerical protests in Montenegro, Kovačević was arrested in Nikšić for waving a Serb tricolor.

[2] Kovačević's opponents have labelled him a Serbian nationalist, a supporter of the Greater Serbia project and a follower of the Chetnik ideology.