expression, i-adjective
quick to act; proactive; light on one's feet
Describes a person who responds swiftly, adapts easily, or takes initiative without hesitation. Often used positively for someone who is agile in both physical and social contexts.
彼はフットワークが軽いから、急な予定にもすぐ対応してくれる。
He's quick to act, so he handles sudden plans right away.
営業にはフットワークが軽い人が向いている。
People who are proactive are suited for sales.