A Ferengi entrepreneur in the episode The Nagus, one of the wealthy guests at Grand Nagus Zek's meeting on Deep Space 9 about exploiting the Gamma Quadrant.
Nava is a prosperous Ferengi who appears in the first-season episode The Nagus. He is one of the handful of leading businessmen whom Grand Nagus Zek summons to a private conference in Quark's bar, and Zek singles him out for praise for having taken over the Arcybite mining refineries in the Clarius system.
Zek tells the group that the Ferengi name is too tarnished in the Alpha Quadrant and that the future lies beyond the wormhole. He then astonishes them by naming Quark, a mere barkeeper, as his successor, and appears to die shortly afterwards.
Nava, like Gral and the Nagus's son Krax, is plainly resentful of the choice and eager for a share of the new opportunities. When Zek reveals that his death was a test, the guests are left to reflect on how they behaved.