
1) to work without a salary — work as volonteers (paragraph 1)
2)started — decided to start (paragraph 1)
3) when there is not enough food for people to eat and live — famine (paragraph 2)
4)main offices — headquarters (paragraph 3)
5)look after- care for people (paragraph 4)
6) badly hurt- injured (paragraph 4)

2 — famine
3 — cared for the people
4 — headquarter