A Proud Thing — James Hartley

Popular public speaker Ginger Sullivan is kidnapped by an evil sorcerer.
She is desperate to escape, and to return to her former life and her
fiancee, TV Evangelist Patton Button. But then she discovers that she
has Magical Powers, and Jamseth, a fellow captive, informs her that she
is a witch, just as he is. He tells her that among his people it is said
"It is a Proud Thing to be a witch," but she fears that it will be
difficult to reconcile this with her former life, and with her fiancee's
religious teachings ...