This is background information that the author inserted to help the reader understand how the people asked Yahweh for an answer. (See: [[rc://en/ta/man/translate/writing-background]])
The full meaning of this statement can be made explicit. Alternate translation: "was serving as priest before the ark" (See: [[rc://en/ta/man/translate/figs-explicit]])
The full meaning of this statement can be made explicit. Alternate translation: "Attack the army of Benjamin" (See: [[rc://en/ta/man/translate/figs-explicit]])