I'll smile in the face of the barrel,
"Ah, always good to have some company... And well, I can get you off this rock, but that'll require me being alive.. So you might want to save your bolter rounds for the rest of the guards."
I"ll turn away and head towards the twisted flesh with the intent to grab some (unless he bolters me in the ass).
"Prophets of the Blighted Path? What business do you have here?"