And, though we haven't seen a lot of it, it's very clear Cato's stand involves her precious cards, that she not only carries with her, but even her design has cards on her clothes
She is seen assisting Jobin, who seems like an antagonist at the moment. The way I see it though, Cato could be pulling the strings behind the scenes. I mean, Cato did, in a way, manipulate Jobin when he was a kid. Using the kid that Jobin had knocked out to cure the rock disease