'Curse' in the Bible

At that time Joshua imposed this curse:The man who undertakesthe rebuilding of this city, Jericho,is cursed before the Lord.He will lay its foundationat the cost of his firstborn;he will set up its gatesat the cost of his youngest.

Balak son of Zippor, king of Moab, set out to fight against Israel. He sent for Balaam son of Beor to curse you,