The words "your people" or "us" are understood. Alternate translation: "please forgive your people" or "please forgive us" (See: [[rc://en/ta/man/jit/figs-ellipsis]])
Here "Jacob" represents his descendants the Israelites. Alternate translation: "how will we Israelites survive? We are so small and weak!" (See: [[rc://en/ta/man/jit/figs-metonymy]])