佛陀的第二上首弟子，与舍利弗同日生于王舍城附近的俱利多村，两人自幼情谊深厚，后一同出家。

The Buddha’s second chief disciple, born in Kolita village near Rājagaha on the same day as Sāriputta, with whom he shared a lifelong friendship before both entered the Order together.