Proverbs 14:31

He who presses the poor curses his Maker, but he who honors Him has mercy upon the poor.

Proverbs 17:5

Whoever scorns the poor reviles his Maker; he who is glad at calamities shall not be unpunished.

Proverbs 22:2

The rich and poor meet together; Jehovah is the maker of them all.

Proverbs 19:17

He who has pity upon the poor lends to Jehovah, and He will reward his dealing to him.

Job 31:13-16

If I despised the cause of my man servant or of my slave-girl, when they argued with me;

Psalm 12:5

For the oppression of the poor, for the sighing of the needy, I will now arise, says Jehovah. I will set in safety, he pants for it.

Proverbs 14:21

He who despises his neighbor sins, but he who has mercy on the poor, happy is he.

Proverbs 22:16

He who crushes the poor to multiply for himself, and he who gives to the rich, only to come to poverty.

Proverbs 22:22-23

Do not rob the poor, because he is poor; nor press down the afflicted in the gate;

Ecclesiastes 5:8

If you see the oppression of the poor, and violent perverting of judgment and justice in a province, do not marvel at the matter. For He who is higher than the highest watches; and there are some higher than they.

Matthew 25:40-46

And the King shall answer and say to them, Truly I say to you, Inasmuch as you did it to one of the least of these My brothers, you have done it to Me.

John 12:8

For you have the poor with you always; but you do not always have Me.

2 Corinthians 8:7-9

But even as you abound in everything, in faith, and in word, and in knowledge, and in all earnestness, and in your love to us; you should abound in this grace also.

1 John 3:17-21

But whoever has this world's goods and sees his brother having need, and shuts up his bowels from him, how does the love of God dwell in him?

1 John 4:21

And we have this commandment from Him, that he who loves God should love his brother also.

Treasury of Scripture Knowledge

Summary

He that oppresseth the poor reproacheth his Maker: but he that honoureth him hath mercy on the poor.

Bible References

That oppresseth

Proverbs 17:5
Whoever scorns the poor reviles his Maker; he who is glad at calamities shall not be unpunished.
Proverbs 22:2
The rich and poor meet together; Jehovah is the maker of them all.
Job 31:13
If I despised the cause of my man servant or of my slave-girl, when they argued with me;
Psalm 12:5
For the oppression of the poor, for the sighing of the needy, I will now arise, says Jehovah. I will set in safety, he pants for it.
Ecclesiastes 5:8
If you see the oppression of the poor, and violent perverting of judgment and justice in a province, do not marvel at the matter. For He who is higher than the highest watches; and there are some higher than they.
Matthew 25:40
And the King shall answer and say to them, Truly I say to you, Inasmuch as you did it to one of the least of these My brothers, you have done it to Me.

But

Proverbs 14:21
He who despises his neighbor sins, but he who has mercy on the poor, happy is he.
Proverbs 19:17
He who has pity upon the poor lends to Jehovah, and He will reward his dealing to him.
Matthew 25:40
And the King shall answer and say to them, Truly I say to you, Inasmuch as you did it to one of the least of these My brothers, you have done it to Me.
John 12:8
For you have the poor with you always; but you do not always have Me.
2 Corinthians 8:7
But even as you abound in everything, in faith, and in word, and in knowledge, and in all earnestness, and in your love to us; you should abound in this grace also.
1 John 3:17
But whoever has this world's goods and sees his brother having need, and shuts up his bowels from him, how does the love of God dwell in him?
1 John 4:21
And we have this commandment from Him, that he who loves God should love his brother also.

General references

Leviticus 25:14
And if you sell anything to your neighbor, or buy from your neighbor's hand, you shall not oppress one another.
Deuteronomy 24:14
You shall not oppress a hired servant who is poor and needy, of your brothers, or of your strangers that are in your land within your gates.
Proverbs 3:9
Honor Jehovah with your substance, and with the firstfruits of all your increase;