This means that education allows young people not to fall into delinquency. This was said by Victor Hugo, because at that time the prisons were teeming (starve: those who stole for food).
In our 21st century, it is the same result. Young people who don't have an opportunity to study are on the street and others are in their homes, despite the strong creation of small businesses. In Nyarugusu, during this confinement period, schoolchildren risk missing this school year. And so it increases the number of children on the street and on the river.
There is no case of coronavirus in Nyarugusu yet. Schools remain closed until further notice by the Tanzanian authorities.