They pluck the fatherless {i} from the breast, and take a pledge of {k} the poor.

(i) That is, they so pillage and plunder the poor widow that she cannot sustain herself that she may be able to nurse her baby.Job 24:9 Parallel Commentaries

Whether the Old Law Set Forth Suitable Precepts About the Members of the Household?
Objection 1: It would seem that the Old Law set forth unsuitable precepts about the members of the household. For a slave "is in every respect his master's property," as the Philosopher states (Polit. i, 2). But that which is a man's property should be his always. Therefore it was unfitting for the Law to command (Ex. 21:2) that slaves should "go out free" in the seventh year. Objection 2: Further, a slave is his master's property, just as an animal, e.g. an ass or an ox. But it is commanded (Dt. …
Saint Thomas Aquinas—Summa Theologica

Degrees of Sin
Are all transgressions of the law equally heinous? Some sins in themselves, and by reason of several aggravations, are more heinous in the sight of God than others. He that delivered me unto thee, has the greater sin.' John 19: 11. The Stoic philosophers held that all sins were equal; but this Scripture clearly holds forth that there is a gradual difference in sin; some are greater than others; some are mighty sins,' and crying sins.' Amos 5: 12; Gen 18: 21. Every sin has a voice to speak, but some …
Thomas Watson—The Ten Commandments