[Sebastian lunges forward and grabs Ankh around the waist to pull him back, holding on as if it's for his own life instead of Ankh's.]

Rabbit said to leave the guides alone if you value your life! Cheshire said he wouldn't punish me for shooting him when he challenged me to a game! What do you think is going to happen if you hurt him?

[He doesn't particularly like Ankh, but he doesn't want anything particularly bad to happen to him either. And from everything he's heard, attacking the guides is generally a bad idea.]