Will he make a covenant with you to take him as a slave for life?
Whether this leviathan be a whale or a crocodile is a great dispute among the learned, which I will not undertake to determine; some of the particulars agree more easily to the one, others to the other; both are very strong and fierce, and the power of the Creator appears in them.
Commenting on Job 41:1-10
Will he make a covenant with thee?.... To live in friendship or servitude, as follows; wilt thou take him for a servant for ever? oblige him to serve thee for life, or reduce him to perpetual bondage; signifying, that he is not to be tamed or brought into subjection; which is true of the whale, but not of the crocodile; for several authors (i) speak...
Can he be tamed for domestic use (so Job 39:10-12)?