The First Servant is a gifted boy revered on the planet Majalis, whom Captain Pike tries to protect before learning that the child is to be sacrificed to the machine that keeps his world alive.
The First Servant appears in Lift Us Where Suffering Cannot Reach, in the first season of Star Trek: Strange New Worlds. The Enterprise rescues him, his physician father Elder Gamal and the minister Alora, an old acquaintance of Pike, from an attack on their shuttle.
The boy is brilliant and kind, and meets Dr M'Benga's daughter Rukiya. Pike assumes the attackers mean him harm and helps to return him for his ascension ceremony.
Only then does Pike learn the truth. Majalis floats above a lake of lava, held up by an ancient machine that needs a child's living mind to run. The boy accepts his fate willingly, and Pike cannot stop it. Gamal, who had plotted to save his son, leaves Majalis. The First Servant is played by Ian Ho.