He heard the rustling leaves before the sound of the raspy voice called out to him.  Nazgar gasped, his brow lowering in fear and panic.  He wanted to run, but whoever it was claimed to be a friend.  Being extra cautious, he pulled his bow from his back followed by an arrow.  Holding them at the ready, he waited for the dark figure to approach.  If he turned out to be hostile, he'd plant an arrow right in him.