'Shall' in the Bible

But Ruth said, “Do not urge me to leave you or to turn back from following you; for where you go, I will go, and where you lodge, I will lodge. Your people will be my people, and your God, my God.

And Ruth the Moabitess said to Naomi, “Please let me go to the field and glean among the ears of grain after one [of the reapers] in whose sight I may find favor.” Naomi said to her, “Go, my daughter.”

Then Naomi her mother-in-law said to Ruth, “My daughter, shall I not look for security and a home for you, so that it may be well with you?