Stewart's last contact with his family was on 25th April 2012. He is believed to have been in the Pisa area of Italy.
He speaks with a South African accent and has lightly curly, light brown hair. He is likely to have a bushy beard at the moment, which grows in a reddish colour. He is over 6 feet tall with a slender build. Stewart has blue eyes, with a lazy eye on the left and a scar just above the right eyebrow.
Stewart's family are bcoming increasingly concerned for his well-being and safety.
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