Originally Posted by
Enkidoh
I actually think that's what they were really meaning there, not quite understanding the whole concept of adventurers, which basically means they don't have/never had a formalized adventurer system like Eorzea has (one of the Domans earlier in the story mentioned that if they actually did have adventurers in Doma, they might have stood a chance at resisting the Garlean invasion, ironically the whole reason Eorzea has adventurers in the first place!).
So yeah, I think they were just foreshadowing the possible future addition of the SAM Job and a possible backstory for the Job provider as a masterless SAM (a ronin) - kind of like how Thancred and Yugiri's skills in Through the Maelstrom hinted at ROG and NIN before they were actually added to the game.