All 3 Uses of

exodus
in
I Am Malala

This was the biggest exodus in Pashtun history.
p. 179.3 *

exodus = departure by a lot of people

Inside Dr. Afzal's van my father was talking to the media, giving a running commentary on the exodus from the valley.
p. 179.8

We were convinced that if the exodus had been managed by the government many more would have died of hunger and illness.
p. 180.8

Definitions:

(1) (exodus)
a departure by a lot of people

When used as a proper noun (capitalized), "Exodus" typically references the second book of the Old Testament or the story it includes about the departure of the Israelites out of slavery in Egypt.
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

As a proper noun, Exodus can refer to:
- a book in the Christian and Hebrew Bibles
- the story of the departure of the Israelites from Egypt from that book
- the name of a 1960 movie
- the name of various firms