gangman
/ˈɡæŋmæn/Definitions
1. noun
A person who controls the flow of a gangway or a gangplank, especially on a ship.
“The gangman carefully guided passengers onto the ship.”
2. noun
A person who works on a gang (a group of workers) in a particular trade or industry.
“As a gangman in the construction industry, he was responsible for setting up the scaffolding.”