This means to rebel and fight against someone. Alternate translation: "has opposed" or "is rebelling against" (See: [[rc://en/ta/man/translate/figs-idiom]])
Joab is asking for the people of the city to release Sheba to him. Alternate translation: "Hand this man over to us" or "Give this man to us" (See: [[rc://en/ta/man/translate/figs-idiom]])
Here the "I" refers to both Joab and his soldiers. Alternate translation: "We will withdraw from the city" (See: [[rc://en/ta/man/translate/figs-synecdoche]])