[To Zoro's credit he doesn't flinch, no matter how close to his face that foot comes. The experiment is extremely useful, they can both see how fast the response is - and his good eye goes to the three bigger men in teal tunics and pants, silently telegraphing to Sanji that those are the ones he needs to be wary of.

"He's only been there an hour," one of the others responds. "When he calms down and learns not to threaten violence inside the camp, we'll free him."

Zoro's take on that answer is to make an annoyed face]

Yeah, sure, right. What do I gotta do, apologize for something I didn't do? I mean, yeah, I drew on him, but he drew first! It's self-defense, dammit.

[never minding that Zoro would have obliterated the other guy in one hit, their strength levels were that disparate]