What is a Violence Interrupter?

ARPA money has raised concerns for many of us.

First let's look at page 71 of the 437 page document that is to help us interpret the rules and regulations of what the eligible services are that ARPA money can be spent on.

The first bullet point on page 71 mentions - "violence interrupters" and "hospital based violence intervention models." Can someone in law enforcement explain what is meant by violence interrupters? Can a hospital employee explain what is meant by hospital based violence intervention models?

The second bullet point on page 71 mentions - "funding more intervention workers." What is meant by that?