It shall be unlawful for any person or persons, in this City, to remain or congregate about or upon any sidewalk, stairway, doorway, window, or in front of any business or dwelling house, theater, lecture room, church or elsewhere, and by so doing obstruct or interfere with the free passage of persons entering, leaving, or occupying any such building or premises, or by language, conversation, or conduct, to annoy, insult, or disturb persons residing or doing business in any such house, houses or places. Any person violating any of the provisions of this section shall be guilty of a misdemeanor.