Gorta is a Klingon whom the Enterprise-D questions while hunting Lursa and B'Etor in Firstborn, and who provides a lead on the sisters' recent dealings in magnesite ore.
Gorta appears in the seventh-season episode Firstborn. After an attempt on the life of Worf and his son at a Kot'baval festival is traced to a dagger bearing the crest of the House of Duras, the Enterprise sets out to find the sisters Lursa and B'Etor.
The trail runs through several intermediaries. Quark, contacted at Deep Space 9, admits the sisters have been trying to sell magnesite ore, and the search leads on to the Yridian Yog and to Gorta, a Klingon with his own grievance against them, whose information helps the Enterprise close in.
When the sisters are finally cornered they deny the attack, and the truth emerges that the assassination attempt was staged by K'mtar, Alexander's future self.