Shriner
[ shrahy-ner ]
/ ˈʃraɪ nər /
noun
a member of a fraternal order (Ancient Arabic Order of Nobles of the Mystic Shrine) that is an auxiliary of the Masonic order and is dedicated to good fellowship, health programs, charitable works, etc.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for shriner
According to a quick Google search, a Shriner clown appears to be a clown who is also a member of the Shriners.
The Most Depressing Show on Earth: Amongst the Clowns of Newark|Lizzie Crocker|March 16, 2014|DAILY BEASTSister Shriner is boiling over with railing toward God's pure little ones.
Birth of a Reformation|Andrew ByersLater it developed the janitor was a captain of police, also a Shriner.
Watch Yourself Go By|Al. G. FieldMr. Shriner, the one of whom we expected least, suddenly turned up at a table alone.
Of All Things|Robert C. Benchley