en_tn_lite_do_not_use/isa/33/03.md

arise

"begin acting" (See: rc://en/ta/man/translate/figs-idiom)

Your spoil is gathered as the locusts gather

This can mean 1) God's people will take plunder from their enemies, specifically the Assyrians (see UDB), or 2) God's people will take the plunder that Assyrians have taken from others. (See: rc://en/ta/man/translate/figs-simile and rc://en/ta/man/translate/figs-activepassive)

gather

"gather food"

as locusts leap

The locusts see food and jump to get it. (See: rc://en/ta/man/translate/figs-simile)