Sorry, had to take off for work!
Terpsichore glided backward a few steps as she saw him reach out his hand. Normally she didn't mind human contact in the slightest, but she didn't know this man at all. And he wasn't one of the male dancers, because she did know all of them, and there were no immortals among their ranks.
"I'm Terpsichore," she said, after the silence had stretched out a little too long. "Who're you?"