Thematic Bible: Who corrupted the covenant of levi

Now, therefore, for you, is this charge, O ye priests: - If ye will not hear, and if ye will not lay it to heart, to give glory to my Name, saith Yahweh of hosts, then will I send among you the curse, and will curse your blessings, - and indeed I have cursed them, because ye are not at all laying it to heart. Behold me! threatening, on your account, the seed, and I will scatter refuse upon your faces, the refuse of your festivals, - and one shall carry you away unto it; read more.
So shall ye know that I sent unto you this charge, - as being my covenant with Levi, saith Yahweh of hosts. My covenant, was with him, Life and Well-being, so I gave them to him - I as One to be revered - and he did revere me, - and, before my Name, dismayed, was he. The deliverance of truth, was in his mouth, and, perverseness, was not found in his lips, - In well-doing and in uprightness, walked he with me, and, multitudes, did he turn from iniquity. For, the lips of a priest, should keep knowledge, and, a deliverance, should men seek at his mouth, - for, the messenger of Yahweh of hosts, he is. But, ye, have departed out of the way, ye have caused multitudes to stumble at the deliverance, - ye have violated the covenant of Levi, saith Yahweh of hosts.