That is the correct spelling of "supplicant" (one who pleads or petitions, i.e. supplicates).
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Supplicating means to ask or beg for something humbly.
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one who supplicates a supplicant
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The cast of Conversation with the Supplicant - 2008 includes:
Lauren Carnovale as Girl Dianne Dennis as Old Woman 2 Kris Lemche
as Supplicant Neil Rikhi as Sleeping Man Dov Tiefenbach as Main
Character