Any engineer, conductor or other agent or employee of any railroad company in this State who shall wilfully neglect to observe or shall wilfully violate any rule or regulation of the company to which such engineer or conductor may belong, whereby any person shall sustain or be in danger of sustaining any bodily injury shall be liable to be indicted for every such offense and, upon conviction thereof, be fined two hundred dollars and imprisoned for not exceeding one year, at the discretion of the judge before whom such case may be tried. Nothing therein contained shall be so construed as to relieve such engineer or conductor from responsibility under the law when the life of any person is destroyed.