Zhrel was a male Ferengi who lived in the 24th century. Zhrel was married to Parilka and was an influential individual in the Ferengi Alliance, due to his financial ties with Grand Nagus Zek.
In 2372, Quark contacted Zhrel to ask if Zek had decided to allow the Bajorans back into the bidding auction for the Orb of Wisdom. Quark blackmailed Zhrel to reveal the information by claiming he had a holo-recording of Parilka wearing clothes, although Quark had no such recording. Zhrel revealed to Quark that Zek was still planning to exclude the Bajorans from the auction. (DS9 novel: The 34th Rule)