傍聴【ぼうちょう】
listening (to a lecture, hearing, parliament session, etc.), attending (without participating), sitting in (e.g. on a meeting), observing
傍観【ぼうかん】
looking on, standing by and watching, sitting back and watching, remaining a spectator
傍受【ぼうじゅ】
interception, monitoring, tapping
傍ら【かたわら】
side, edge, beside, besides, nearby, while (doing), in addition to, at the same time
傍若無人【ぼうじゃくぶじん】
behaving outrageously as though there were no one around, acting without consideration for others, arrogance, audacity, insolence
路傍【ろぼう】
roadside