傍聴 （ボウチョウ） listening (to a lecture, hearing, parliament session, etc.), attending (without participating), sitting in (e.g. on a meeting), observing

脇見 （ワキミ） looking from the side, looking aside

路傍 （ロボウ） roadside

道傍 （ドウボウ） side of the road, roadside

傍ら （かたわら） side, edge, beside, besides, nearby, while (doing), in addition to, at the same time

傍らに （かたわらに） beside, nearby

脇役 （わきやく） supporting role (actor), minor role

脇見 （わきみ） looking from the side, looking aside

側 （そば） near, close, beside, vicinity, proximity, besides, while, third person

端から （はたから） from outside, from the side

側 （そば） near, close, beside, vicinity, proximity, besides, while, third person

側から （そばから） as soon as, right after

お側 （おそば） near, close, beside, vicinity, proximity, besides, while, attendant, retainer, vassal