Any person appointed to act as a valuator or arbitrator to determine the value of any land, or of any injury done to any property who is guilty of a crime.(a) having to his knowledge any substantial interest in such property acts as such valuator or arbitrator without disclosing the fact that he holds such interest to the person appointing him; or(b) acts corruptly or dishonestly as such valuator or arbitrator Charge: Dishonest dealing as a valuator [ or as an arbitrator].