noun
person crossing; traverser
Refers to a person who crosses something, typically a road, street, or other area. Often used in traffic or safety contexts.
横断者は横断歩道を渡ってください。
Pedestrians, please cross at the crosswalk.
この道路は横断者が多いので、運転に注意が必要だ。
There are many people crossing this road, so careful driving is required.
歩行者 is a general pedestrian, while 横断者 specifically emphasizes the act of crossing.
Compound of 横断 (crossing) and 者 (person).