* FridgeBrilliance: The Mariner speaks in such an archaic dialect because he never kept up with English. Keep in mind he's immortal, and wanders the earth.
** Except the Wedding Guest uses just as many 'thee's and 'thou's at the few points where he says anything.
** Let's not forget that this poem was written way back in the 1700s, so that may just have been normal speech of the day.
* WhatDoYouMeanItsNotSymbolic: The Pilot's boat is steered by His Son at one point. As in, the boat that frees us from our sins is piloted by the Son.