1)
Why will your haters be ashamed?
1.
Devar Eliyahu: Boshes is the opposite of honor - "v'Eleh la'Charafos l'Dir'on Olam." Cherpah is shame in the Nefesh; Dir'on is eradication in the body. Those who hate you in the heart and in the Nefesh will be clothed with shame.
2.
Malbim: They see that you now receive good.
2)
Why did he add "v'Ohel Resha'im Einenu"?
1.
Devar Eliyahu: Nothing will remain from him.
2.
Malbim: You will see the fall of Resha'im.
