Star Trek: Deep Space Nine
Episode: DS9 441 - Maquis, The, Part II

Planet: name unspecified. A humanoid, almost amphibious-looking space-faring race (pronounced "ZEPP-oh-lights") that include traders who often acted as go-betweens for the Cardassians — as in running arms to the Cardassian colonists in the Demilitarized Zone. A typical male name is Drofo Awa, and the equivalent title of merchant captain is hetman.