Train Conductor
noun
A car manipulator is someone who manipulates the car. This 車 riffs off of 電車, which is a train, making the train manipulator a train conductor.
しゃしょう
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
車掌は、乗客たちを待たせていることについて、お詫びをした。
The train conductor apologized to the passengers for keeping them waiting.