Walk through Amos, verse by verse, with the great Bible Commentaries of Matthew Henry (1662 - 1714) & Adam Clarke (1760 - 1832)
8:4
Hear this, O ye that swallow up the needy, even to make the poor of the land to fail, KJV
{Hear ye this thing, which all-break a poor man, and make needy men of the land for to fail;}
Wycliffe's Bible
Hear this, O ye that swallow up the needy - Ye that bruise the poor; exact from them, and tread them under foot.