Here Jerusalem no longer speaks about herself; instead the author describes Jerusalem. He speaks of Zion as if it were a woman that lifts up her hands to ask for help. Alternate translation: "Zion has reached out for help" (See: [[rc://en/ta/man/translate/figs-personification]] and [[rc://en/ta/man/translate/translate-symaction]])
Here "Jacob" refers to his descendants, that is Israel. Alternate translation: "around Jacob's descendants should be their adversaries" (See: [[rc://en/ta/man/translate/figs-metonymy]])
A person who God considers spiritually unacceptable or defiled is spoken of as if the person were physically unclean. (See: [[rc://en/ta/man/translate/figs-metaphor]])