§ 251. Depriving members of organized militia of employment. A person who, either by himself or with another, wilfully deprives a member of the organized militia of his employment, or prevents his being employed by himself or another, or obstructs or annoys said member of said organized militia, or his employer, in respect of his trade, business, or employment, because, said member of said organized militia is such member, or dissuades any person from enlistment in the said organized militia by threat of injury to him in case he shall so enlist, in respect of his employment, trade, or business, is guilty of a misdemeanor.