Answer:
He is <u>an</u> unfriendly worker.
Explanation:
A would be best answer, it's purpose was to remember the soldiers lost and what they were fighting for.
When walking around at night, it is safer to walk with another person or in a group.
If you feel like you are being followed, try to go to a public place with other people.
If you see something suspicious, distance yourself from the scene before alerting the authorities.
Be realistic when dressing & choosing accessories or jewelry before traveling on the streets at night.
Hope those help.