Immediately following a lawful arrest, what critical information must a security guard communicate to the arrested individual, as per the Canadian Charter of Rights and Freedoms?

1. The security guard's employer information and the right to a public trial.
2. The potential penalties for the alleged offence and the right to remain silent.
3. The reason for the arrest and the right to retain and instruct counsel without delay.
4. The right to contact a family member and the right to bail.