Oh?
"He who mocks the poor shows contempt for their Maker; whoever gloats over disaster will not go unpunished." Proverbs 17:5
"If a man shuts his ears to the cry of the poor, he too will cry out and not be answered."
-Proverbs 21:13
"He who gives to the poor will lack nothing, but he who closes his eyes to them receives many curses."
-Proverbs 28:27
Where exactly is he saying anything about a "rich" man.
Anyone of any station in life is capable of mocking the poor of gloating over disasters.
Isaac:
Then Isaac sowed in that land, and received in the same year an hundredfold: and the LORD blessed him. And the man waxed great, and went forward, and grew until he became very great: For he had possession of flocks, and possession of herds, and great store of servants: and the Philistines envied him. – Genesis 26:12-14
Jehoshaphat:
Therefore the LORD established the kingdom in his hand; and all Judah brought to Jehoshaphat presents; and he had riches and honour in abundance. – 2 Chronicles 17:5
Joseph of Arimathaea, a disciple of Jesus:
When the even was come, there came a rich man of Arimathaea, named Joseph, who also himself was Jesus' disciple: He went to Pilate, and begged the body of Jesus. Then Pilate commanded the body to be delivered. - Matthew 27:57
Hezekiah:
Notwithstanding Hezekiah humbled himself for the pride of his heart, both he and the inhabitants of Jerusalem, so that the wrath of the LORD came not upon them in the days of Hezekiah. And Hezekiah had exceeding much riches and honour: and he made himself treasuries for silver, and for gold, and for precious stones, and for spices, and for shields, and for all manner of pleasant jewels; Storehouses also for the increase of corn, and wine, and oil; and stalls for all manner of beasts, and cotes for flocks. - 2 Chronicles 32:26-28
Jacob:
And Esau took his wives, and his sons, and his daughters, and all the persons of his house, and his cattle, and all his beasts, and all his substance, which he had got in the land of Canaan; and went into the country from the face of his brother Jacob. For their riches were more than that they might dwell together; and the land wherein they were strangers could not bear them because of their cattle. – Genesis 36:6-7
Abraham:
And the LORD hath blessed my master greatly; and he is become great: and he hath given him flocks, and herds, and silver, and gold, and menservants, and maidservants, and camels, and asses. – Genesis 24:35