Who is Bolotka from The Prague Orgy and what is their importance?

Bolotka is responsible for bringing Zuckerman to Klenek's party. He is described as an older man, who lives in squalor in an old, decrepit apartment. He has sixteen girlfriends, as well as a wife and children. In his youth, Bolotka studied to become a lawyer. After the university kicked him out, Bolotka made extra money writing spy reports about himself for his friend Blecha.