Job 31:16

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 protestation, that it was utterly false and groundless; he was never guilty of any such thing. See here, I. The testimony which Job's conscience gave in concerning his constant behaviour towards the poor. He enlarges most upon this head because in this matter he was most particularly accused. He solemnly protests, 1. That he had never been wanting to do good to them, as there was occasion, to the utmost of his ability. He was always compassionate to the poor, and careful of them, especially the widows and fatherless, that were destitute of help. (1.) He was always ready to grant their desires and answer their expectations, Job 31:16. If a poor person begged a kindness of his, he was ready to gratify him; if he could but perceive by the widow's mournful craving look that she expected an alms from him, though she had not confidence enough to ask it, he had compassion enough to give it, and never caused the eyes of the widow to fail. (2.

— Matthew Henry's Concise Commentary (public domain)

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

— Jamieson-Fausset-Brown Commentary (public domain)