It shall be unlawful for any person knowingly or willfully to resist, oppose or obstruct the Chief of Police, any police officer, the Municipal Judge or other municipal officer or employee in the discharge of his or her official duties; by threats or otherwise, to intimidate, or attempt to intimidate any such officer or employee from the discharge of his or her official duties; or to assault, beat, revile, abuse, be disrespectful to or use abusive or indecent language toward or about any such officer or employee, while such officer or employee is in the discharge of his or her official duties.
(`85 Code, § 16-70) Penalty, see § 130.99