Consider this mindset when approaching them, and soon it'll narrow down to the player itself. Know the player, and it'll add a layer of depth to your strategy... at least that's how I get by on a good day.
But in this case, I'm Robin Hood, and I'm telling you merry men that we're not taking this mess in the Third Crusade. We're getting straight to Prince John I's head until he sees things our way... okay, that's enough metaphors from me, lol.