Contradiction with James 3:1
This verse warns that not many should become teachers, while Malachi 2:7 emphasizes the role of priests as knowledgeable teachers.
James 3:1: My brethren, be not many masters, knowing that we shall receive the greater condemnation. [condemnation: or, judgment]
Contradiction with Matthew 23:8
Here, Jesus teaches that all are brethren and discourages exalted titles, while Malachi 2:7 elevates the priest's role as a messenger.
Matthew 23:8: But be not ye called Rabbi: for one is your Master, [even] Christ; and all ye are brethren.