in-crowd

She wants to learn how to stand out in a crowd.

He could not get to know them in a crowd.

You'd never give him a second look in a crowd.

But two people could be alone even in a crowd, and he'd find a way.

He had never before felt so alone in a crowd.

Because he wasn't the sort of person she usually met in her crowd?

He was trying to look like a face in the crowd.

Then he moved away and was lost in the crowd.

Everybody out in the crowd, they all know what happened.

Do they make themselves heard in the crowd as well?