1to accompany someone and attend to or look after them; to escort or chaperone.
母が入院したので、毎日病院に付き添っている。
My mother was hospitalized, so I accompany her to the hospital every day.
小さな子どもだけで行かせるのは不安なので、駅まで付き添った。
I was uneasy about letting the small child go alone, so I accompanied them to the station.
面接に行く友人に付き添って、服装や受け答えをチェックした。
I accompanied my friend to the interview and checked their outfit and responses.