First of all, please edit your post and remove the link. You are not allowed to name and shame on the forums as there is no evidence that the names listed there have broken any rules (they may be other hijacked accounts, later recovered by their owners).
I'm afraid Jagex do not return items lost to hijackers. That policy, and the reasons behind it are explained here: Lost ItemsGlad to be of service (Powered by GPP™ - Share and Enjoy!)
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