"After he had stayed there three months." This speaks about time as if it were something a person could spend. (See: [[rc://en/ta/man/jit/figs-metaphor]])
This can be stated in active form. Alternate translation: "the Jews formed a plot against him" or "the Jews formed a secret plan to harm him" (See: [[rc://en/ta/man/jit/figs-activepassive]])