switcher

1. One who or that which operates a switch.

   a person who administers punishment by wielding a switch or whip

2. One who or that which switches, that is, changes in some way.

   career switcher

   Switch to Acme brand razors for a closer shave! For a limited time, we'll pay you to be a switcher!

3. A switchmode power supply.

4. (US)A railway locomotive used for shunting (switching).

   маневровыйmanevrovyj, локомоти́вlokomotív

   маневровий локомотивmanevrovyj lokomotyv

5. (US)The yardman who operates such an engine, or performs a similar role in a trucking depot.

6. Synonym of vision mixer (“device for selecting between video sources”).

regular