noun
flagman; signalman
Refers to a person who uses flags, lights, or hand signals to direct traffic, trains, or construction operations. Common in railway and roadwork settings.
工事現場で信号手が旗を振って誘導していた。
At the construction site, a flagman was directing traffic with a flag.
鉄道の信号手は列車の安全な運行を支えている。
Railway signalmen support the safe operation of trains.
誘導員 is a more general term for a guide or marshal, often used for parking or event crowd control, while 信号手 specifically implies using signals.
Compound of 信号 (signal) and 手 (person, -er). A straightforward occupational term.