Ngabwi was a male Klingon in the Klingon Defense Force in the 24th century. As of 2373, he held the rank of Commander, and commanded the IKS Kring. That year, he was part of the plot that year to assassinate Starfleet Captains Jean-Luc Picard and Benjamin Sisko. He was killed when the Kring was destroyed in a plasma storm in the Badlands. (TNG - Slings and Arrows eBook: Enterprises of Great Pitch and Moment)