Lt. Draza is Zoran Lazarevic's right-hand man and the tertiary antagonist in Uncharted 2: Among Thieves. He is voiced by Michael Benyaer (but is credited just as "Serbian Soldier"). Lt. Draza was first seen with Lazarevic, when they met(for the first time)' face to face with Nate. Lazarevic gives him the Phurba from Nate. Later, when Chloe was taken to the train by Flynn, Nate tries to save her, but runs into Draza who was in charge of the train. The two then fight with Drake winning and taking back the Phurba. When Draza woke up and he tries one last time to kill Nate, but is shot dead by Chloe. According to some articles, Draza and Lazarevic knew each other a long time ago. He uses a M4 carbine rifle as his main weapon.
Source: Wikipedia, "List of Uncharted characters", available under the CC-BY-SA License.