querent n.
1590s, originally in astrology, from Latin quaerentem, present participle of quaerere (see query (v.)).
Examples from the Web for querent Historical Examples of querent
The latter are set aside in a heap, with the Querent, face upwards, on the top.
The Illustrated Key to the Tarot
L. W. de Laurence
The querent, therefore, shall marry the man made for her, but not the man of her youthful hope and her first love.
William Kirby