"Euch. So that's what a hard drop is. No wonder the marines joke about it." When she hears the man ask why they're here and Raltus's response she says, "That's right sir. I am here as an assistant to the priest so that I may be trained in the way of the clergy."
SpoilerYou want me to roll? Although it is more-or-less canon that psykers and the clergy are look about the same. Until one of them starts breaking out demonic/holy powers, that is.