傍(かたわ)ら

beside; while

傍観(ぼうかん)

watching from the sidelines; standing by

傍聴(ぼうちょう)

attending and listening to a meeting or trial

傍目(はため)

to an onlooker; from the outside

傍役(そばやく)

supporting role; supporting actor

傍若無人(ぼうじゃくぶじん)

self-centered; behaving as if no one else were present

傍線(ぼうせん)

side line; marginal line

傍注(ぼうちゅう)

marginal note; side note

彼(かれ)は事故(じこ)を傍観(ぼうかん)しているだけだった。

He merely stood by and watched the accident.

裁判(さいばん)を傍聴(ぼうちょう)した。

I sat in on the trial.