[Weeeeeeeeeeeeeeell, the plan was for Zoro to teach her, when he was Law's grandson, so you two could really bond as step-father and step-daughter. And he has the vague memory of him teaching at a dojo.

So why not suggest him, anyway?]

Well, if all else fails, I think Mister Roronoa Zoro might be willing to teach you. [He had the green hair.] He's very good. But there should be many in the village willing to teach you, if you ask.