en_tn/isa/15/09.md

Dimon

This is the name of a city or town. Dimon was the principal city of the country of Moab. Several modern versions have "Dibon" instead of "Dimon." (See: rc://en/ta/man/jit/translate-names)

but I will bring even more upon Dimon

Here "I" refers to Yahweh. Also, "Dimon" refers to the people who live there. Alternate translation: "but I will cause even more trouble for the people of Dimon" (See: rc://en/ta/man/jit/figs-metonymy)