'Contract' in the Bible

But now the LORD has spoken again: "Within three years, like the years of a contract worker, Moab's glory will be brought into contempt, in spite of all its great multitude, and its survivors will be very few and of no importance."

For this is what the LORD is saying to me: "Within three years, according to the years of a contract worker, the pomp of Kedar will come to an end.