1) The suspect was escorted out of the building for being an improper person on the premises.

2) It is important to verify the identity of visitors to prevent improper persons from gaining access to restricted areas.

3) The teacher did not allow the improper person to pick up the student from school without proper authorization.

4) The security team quickly identified the improper person loitering near the sensitive information.

5) It is the responsibility of the bouncer to deny entry to improper persons at the nightclub.

6) The police officer warned the improper person about their behavior and escorted them away from the event.

7) The company has a strict policy of screening job candidates to ensure they are not improper persons.

8) The receptionist notified the authorities when an improper person tried to enter the secure facility without permission.

9) The courtroom security noticed an improper person attempting to disrupt the proceedings.

10) The school implemented measures to keep improper persons away from the students and staff.