While Koby was referring to Luffy in this chapter, it seems he means he is going to take the OP himself cause he knows Luffy can't be trusted overall, hell knowing Koby I can see him locking it up and making sure no one gets it due to the massive power behind it and that fits with his character. Another way to look at it is that Koby could use it to overthrow the WG and instill a democracy, by the people for the people