High Court Judge, Justice Chamath Morais has found Kiriata Nangintabuariki guilty for a count of manslaughter after he killed his 30-year-old workmate in Vuninokonoko, Navua in September 2017 during a drinking party.
Justice Morais has acquitted another accused, William Peter Pickering of one count of manslaughter.
They were earlier charged with a count of murder.
The case will be called next Thursday for sentencing submissions.
