A person who parades things, or takes part in a parade.(noun)
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Use "parader" in a sentence
"Diehl and Batiste are a singularly astute pairing: Mr. Diehl, a classical scholar, makes serious music sound like fun, while Mr. Batiste, a party-hearty New Orleans street parader, reminds us that fun music can also be serious."
"A parader in a car tossed candy on the asphalt and she lunged at it."
"Kingmaker in the civic politics of the Fourth Ward, parader with infant ghouls and vampires on Halloween, soup kitchen volunteer; Rosa Elisabetta, institution."