What is the fundamental difference in authority between a security guard and a police officer regarding general enforcement of laws?

1. Police officers can only make arrests with a warrant, while security guards can make arrests without a warrant.
2. Security guards have more authority on private property, whereas police officers have more authority on public property.
3. Security guards can only enforce provincial laws, while police officers enforce federal laws.
4. Police officers are peace officers with general authority across jurisdictions, while security guards' authority is primarily derived from citizen's powers and property owner's consent.