It helps them and make them better thats how
Coming to work rested and alert.
Maintaining a safe and steady pace.
Avoiding long periods of work without a break.
Reporting unsafe conditions to your employer.
Some proactive measures that can reduce someone's risk of danger or assault could be maybe if the person who is trying to keep from danger stays off the streets or they make a group of friends. Then they have less of a chance of getting into violence or assualt (Even though no matter what it is very difficult to prevent violence because it can happen at any time)