Matthew Henry Presbyterian @wholebiblehenry

Eliphaz had particularly charged Job with unmercifulness to the poor (Job 22:6, etc.): Thou hast withholden bread from the hungry, stripped the naked of their clothing, and sent widows away empty. One would think he could not have been so very positive and express in his charge unless there had been some truth in it, some ground, for it; and yet it appears, by Job's...

Commenting on Job 31:16-23

John Gill Reformed Baptist @doctorgill

Or have eaten my morsel myself alone,.... Though he had kept no doubt a plentiful table in the time of his prosperity suitable to his circumstances, yet had been no luxurious person, and therefore calls provisions a "morsel"; however, be it what it would, more or less, he did not eat it alone; what he had for himself the poor had a share of it...

Jamieson-Fausset-Brown Reformed @jfbcommentary

fail--in the vain expectation of relief (Job 11:20).