Karnog wasn't sure he liked this stranger, for one he was an elf, dunmer by the looks of it. Secondly, something about his choice of words didn't sit well with him. 

A little wary of the stranger, Karnog said with his usual crass tone "If your the one that saved us, what's the catch? What do you get out of keeping us alive?" As he crossed his arms over his chest and leaned against the a wall.