奔 — bustle, run

自由じゆう 奔放ほんぽうな 生活せいかつをしていたわけじゃないんだ。

Just what you'd expect of a young lady, you certainly weren't left to live as you pleased.3

姉は何事にも堅実なタイプなのにひきかえ、妹は奔放なタイプだ。

My older sister is the type who's steady in any situation, while my younger sister is the free-wheeling type.

保守と言わず革新と言わず、どんな政治家もみな選挙資金集めのために奔走する。

Every politician, whether conservative or liberal, works hard (literally: runs around) to raise money for his/her political campaign (literally: election).