among

preposition

1. Denotes a mingling or intermixing with distinct or separable objects. (See Usage Note at amidst.)“How can you speak with authority about their customs when you have never lived among them?”
2. Denotes a belonging of a person or a thing to a group.“He is among the few who completely understand the subject.”
3. Denotes a sharing of a common feature in a group.“Lactose intolerance is common among people of Asian heritage.”