Any member of the county board of any county to which this Division shall be applicable, or any other person holding any other office, trust or employment under such county, who shall be guilty of the wilful violation of any of the provisions of this Division shall be guilty of a business offense, and shall be fined not to exceed $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 such county highway working cash fund, or otherwise used, to be recovered by such county or by any taxpayer in the name and for the benefit of such county, in an appropriate action, provided, that such taxpayer shall file a bond for all costs, and be liable for all costs taxed against the county in such suit, and judgment shall be rendered accordingly. Nothing herein shall bar any other remedies.