Kiryat Arba's chief Rabbi Dov Lior compared US President Barak Obama to Haman - an enemy of the Jews in the Book of Esther- during a conference in the West Bank this week, Army Radio reported Friday.He also labeled the Obama a "Kushi" of the West, a derogatory term used to describe people of African descent- In the same speech, the rabbi branded the Europeans as "Nazi collaborators", and called for increased settlement activity in the West Bank "to eradicate the jungle."