Ragman is a pretty interesting character. Despite the Jewish heritage of many early comic book writers and artists, I can't think of many Jewish characters. The Ragman suit is tied directly into Jewish folklore and that makes it an interesting mystic artifact in my eyes. You can read more about Ragman here.
Ragman Suit - This patchwork suit is made up of corrupted souls. The wearer gains a +2 bonus to strength, dexterity, and constitution. In addition they can use the knowledge of the souls trapped within. The wearer can also detect evil souls and absorb new evil souls into the suit.
I intentionally left the actual game effects vague. What does it mean that they can use the knowledge of the souls. Perhaps let the wearer to make a one time Read Language check or cast a specific magic-user spell for plot purposes.