Checked a Fyrosian dictionary and sharukos just means emperor, so the old man didn't have any more information than that the disease as named (or curse) is related to a job hazard.
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Remembering Tyneetryk
Phaedreas Tears - 15 years old and first(*) of true neutral guilds in Atys.
(*) This statement is contested, but we are certainly the longest lasting.
<clowns | me & you | jokers>