Fetching details from the dictionary...

interval; period of time
among; between; inter-
good opportunity; chance
estrangement; discord; alienation
spy; secret agent
「間」 has other readings with different meanings.
一年間日本に住んでいた。
I lived in Japan for a year.
長い間お待たせしました。
Sorry to keep you waiting so long.
その間に一体何があったの?
What happened during that time?