The Levites were supposed to lead worship and not to fight. It is unclear why Joab did not count Benjamin. This can be stated in active voice. Alternate translation: "But Joab did not count the men from the tribes of Levi and Benjamin" (See: [[rc://en/ta/man/translate/figs-activepassive]])
This can be stated in active form. Alternate translation: "Joab was offended by what David had commanded" (See: [[rc://en/ta/man/translate/figs-activepassive]])