It is rude to intentionally block an entrance.
James is demonstrating his passionate opposition to abortion by protesting outside a women's health clinic.
James wants to stop women from getting abortions.
James stands beside the doorway and calls the woman walking past him babykillers.
James physically blocks the entrance to the clinic and pushes the patients away if they come too close.
One or two of the women turn around rather than dealing with James.
James is promptly arrested for trespassing and assault and denied bail.