Any member of the school board of any school district to which this Article is applicable, or any other person holding any office, trust, or employment under such school district who wilfully violates any of the provisions of this Article shall be guilty of a business offense and fined not exceeding $10,000, and shall forfeit his right to his office, trust or employment and shall be removed therefrom. Any such member or other person shall be liable for any sum that may be unlawfully diverted from the working cash fund or otherwise used, to be recovered by such school district or by any taxpayer in the name and for the benefit of such school district in an appropriate civil action; provided that the taxpayer shall file a bond for all costs and be liable for all costs taxed against the school district in such suit, and judgment shall be rendered accordingly. Nothing herein shall bar any other remedies.