Evfra joined the Resistance - which he claims was "a disorganized and ineffectual group of zealots who were sliding into irrelevance" before he assumed command - after his family was taken by the kett, wanting to turn the group into the effective guerilla army it aspired to be.
Evfra's single-minded dedication to his cause became evident when he led a successful raid on a kett labor camp, liberating hundreds of angaran prisoners before wiping out an entire battalion of kett.
According to Jaal, Evfra is feared by his Resistance subordinates and respected by the angaran leaders, but he remains an isolated individual. He keeps no close ties and everyone in the Resistance is expendable.
Ryder first meets Evfra on the planet Aya. He is first very distrustful of Ryder, however, Jaal vouches for them. Evfra accepts Jaal's request to keep an eye on Ryder and join them on the Tempest because he trusts Jaal can handle himself should Ryder try to kill him.
Evfra is a purplish blue male angara, the only distinct feature he has is a scar over his eye