en_tn/ezk/13/05.md

the wall around the house of Israel

This refers to the wall surrounding the city of Jerusalem.

the house of Israel

The word "house" is a metonym for the family that lives in the house, in this case the Israelites, the descendants of Jacob over many years. See how you translated this in Ezekiel 3:1. Alternate translation: "the Israelite people group" (See: rc://en/ta/man/jit/figs-metonymy)

resist in battle

You can supply the implicit information here. Alternate translation: "resist the enemy armies" or "defend the city" (See: rc://en/ta/man/jit/figs-explicit)

the day of Yahweh

This refers to the time when Yahweh will judge his people by means of an enemy army. Alternate translation: "the day of Yahweh's judgment" or "the day when Yahweh judges you by sending enemy armies to attack you" (See: rc://en/ta/man/jit/figs-explicit)