Who is Gleb Andorin from Forward the Foundation and what is their importance?

Gleb Andorin is a middle-aged man, clean-shaven, with golden hair that is slicked back, Andorin is a leading Joranumite in Wye Sector. He criticizes Chief Gambol Deen Namarti's decision to kill Kaspal Kaspalov. While he respects Namarti's sense of drive, Andorin disparages his intelligence. Andorin does not believe in supernatural influences, which interest Namarti. Andorin is a friend of the prostitute Manella Dubanqua, who introduces him to Raych Seldon while Raych is working undercover under the name of Planchet.