This speaks of a man who would take responsibility to pray for the people and to lead them to repentance as if that man were to build a wall to protect the people from Yahweh. AT: "a man from among them who would act like he built a wall" (See: [[rc://en/ta/man/translate/figs-metaphor]])
# stand before me in its breach
Its "breach" refers to a gap in the wall. This speaks of the man defending the people before Yahweh as if he were a warrior standing in the breach to defend the city. (See: [[rc://en/ta/man/translate/figs-metaphor]])
Here the "land" represents the people who live there. AT: "for the people so that I would not destroy them" (See: [[rc://en/ta/man/translate/figs-metonymy]])