Dren yelped as he was pushed aside and fell down onto his back. He got up with a slight growl, adjusting his crooked hat and watching the Black Mage rush after the individual he'd spied on. It didn't concern him, ultimately, he'd peeked out of mere curiosity. But considering how this fellow was reacting, it'd probably be a good idea to tell someone. 

Dren made quick for the nearest town guard and informed him of what had occurred, pointing him toward where the pair had run off to.