Ensign Sariel Rager is a flight controller on the Enterprise-D, played by Lanei Chapman, who pilots the ship in several episodes and is among the crew abducted in Schisms.
Ensign Rager is a relief conn officer on the Enterprise-D, played by Lanei Chapman in four episodes of The Next Generation. She first appears in Galaxy's Child, at the helm when the ship encounters a spaceborne lifeform.
In Night Terrors she is one of many crew members who lose the ability to concentrate while the ship is caught in a Tyken's Rift and has to be relieved. In Relics she flies the Enterprise out of a Dyson sphere, turning the ship on its side to pass through the closing doors.
In Schisms she is one of the crew secretly taken from their beds and experimented on by solanogen-based aliens, and is brought back by Riker.