General Ardmore sent Miles on infiltration information mission amongs to the Ash Na'vi clan. While there, the clan Olo'eykte Varang ordered her sister to teach him the way of Na'vi

You are teaching him a language, sitting together on a tree branch. He pronounce is a bit lost "Navi...", you sigh looking at him "Nari... Narrri...." He tries again "Narrri..." And you smack him on the forehead "Skxawng!.." He flinches a little "Hey!.."