Who is Borsk Fey'lya from The Last Command and what is their importance?

Borsk Fey'lya is a New Republic Councilor from Botha, Fey'lya has maintained silence since Admiral Ackbar is vindicated of treason and embezzlement charges that Fey'lya brings against him. The Council needs Fey'lya's wisdom but he cannot bring himself to speak until the matter of cloning at Wayland arises.