In 'Night', the narrator is Eliezer, a Hungarian boy who was 12 years old at the moment and who was living in Sighet. This town was part of Hungary during World War II, at the time this story was set (on the contrary now it is in Romania).
Moshe the Beadle was Eliezer's teacher of Jewish doctrine and, in fact, he was an inspiring and challenging educator for this kid. All foreign Jews were sent out of town by the Hungarian police, including Moshe, as part of the anti-Semitic acts generalized all over the nazi Europe. Hungary was one of Germany's allies during World War II, and obeyed the type of politics fostered by Hitler, contributing to spread attacks against Jews and ejections within its territory.
The boy wanted to buy an orange for the girl he liked but he didn't have enough money so then he laid the money he did have on the counter plus an orange he had with him in the end the shopkeeper let him have th orange.