among (Preposition) — In the middle of. ex. "I found it among the trees"
among (Preposition) — In division, with shares to each. ex. "the top leadership divides the spoils among themselves"
among (Preposition) — Internal to, involving members of (a group of people). ex. "they argued among themselves"
among (Preposition) — Being a member (or members) of, in the class of. ex. "among other things, she said..."