"Employers are looking for security officers who are dedicated to protecting people through their attentiveness to detail and ability to detect danger. Expect interviewers to inquire about your physical fitness and ability to handle a tense or potentially harmful situation. Security officers may work closely with customers, so be sure to emphasize that you possess great interpersonal skills."
What would you do if you see two guests fighting on the floor.
Call for backup/police. Break up the fight and deescalate the situation using effective communication skills.
Ask them to leave the premises if not then either call the law enforcement actions or escort them out of property with a backup.