傍ら
かたわら · katawara · JLPT N1 · na-adj
nearby
傍 = person radical 亻 + 旁 (side): a person standing at your side, so beside
かたわら combines the person radical 亻 with 旁 (side). The sense of someone right at your side extends to doing one thing alongside another, which gives the meaning 'while'.