"Guys, I am going to empty this entire island cluster of slaves. I will put all of you somewhere else. If anyone wants to bring a non-slave, we can talk about that once all the slaves are safe."
None of the ones with attachments here like the idea of leaving. It's a fact of life on Cloudbank that if they go to a different island it's extremely likely they'll never see anyone here again, or at least not for years and years.
"Well, if you want to stay, you can stay, but if you want to leave, you can do that. I'm not here to kidnap anyone."
Three major groups shake out: One is people with no attachments, they want to leave on their own island right now. The second is people who want to rescue other slaves or convince family members to come along and then leave. The third wants to knock the slavers off their pedestal and watch them burn.
"This is not a revenge adventure. We can sort you all into groups after I've accounted for everybody. Anybody want to come along and be a second pair of eyes?"
Now the angry people are asleep! Also, did they not notice Cam has wings, use your eyes. Cam patches the cut rope and across they go.
"A guard to do what exactly? Are there a lot of routes to any given place?"
"All right, who wants to hold a tranquilizer gun and go stand near the freed slaves?"
Cam gives them tranquilizer guns, says he'll do his best to be quick about his end of the job, and continues on.
Cam knocks people out as needed. If anyone brandishes a ranged weapon he'll wreck it.
After a while she says that most of them are accounted for. The rest have probably been freed since she's last heard gossip or have been spirited away by the masters once they heard what was happening.
Well, Cam could besiege them but he's not keen. He puts on a pair of infrared goggles. Who is hiding?
And when they have been everywhere:
"That everybody?"