Zef 'Trahl (Earth-5875)

"What does it mean to be 'Covenant' today? A hundred warlords claim they rule the Covenant, but each of them leads only a small faction."

- - Zef 'Trahl

Zef 'Trahl is a sangheili freelance mercenary who lives in Kor Delban, on Karava.

Biography
After the end of the First Contact War, 'Trahl saw the benefits of kig-yar and human capitalism and became a mercenary. Two years later, he met the human journalist Petra Janeček, and the two became allies and informants to one another.

In March 2558, Zef met Petra, alongside SPARTAN-IV Commander Jane Shepard, in an establishment at Kor Delban, on Karava, giving them vital information about Vata 'Gajat and Daniel Clayton, who they discovered to be the traitor within the UNSC that compromised the peace talks between the Swords of Sanghelios and Lydus' pack on Ealen IV.