You stick to them, sure, but if an opportunity presents itself... well. You take it.

Abby has her eye on one of the sentry. He's lingering away from the camp, trudging along his sightlines and miles away, figuratively speaking. She could probably get up behind him and take him out, if he stopped to stare in one direction for long enough. And if some kind of noise distracted him from the sound of footsteps creeping up...

She presses her elbow gently into Glimmer's arm, and motions to him with her chin. And then she clicks her knuckles, in clear indication.