Any clerk of the court of common pleas and general sessions, sheriff, judge of probate or register of deeds in this State who shall wilfully fail or neglect to discharge all the duties and perform all the services which are required of him by law shall, in addition to his liability to the person aggrieved, be liable to be indicted as for a misdemeanor and upon conviction thereof shall be fined, at the discretion of the court, not exceeding five hundred dollars.