A person who emblazons, decorates with heraldic designs, or publicizes something prominently; historically, a herald or designer of coats of arms.
From 'emblazon' with the suffix '-er' to create an agent noun indicating a person who performs the action of emblazoning.
Medieval emblazoners were the graphic designers of their day—they understood color psychology, symbolism, and how to make a statement stick in people's minds. Every heraldic lion or dragon they drew was calculated to impress and intimidate.
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