淨飯王一位大臣之子，與佛陀同日出生並自幼為其玩伴，出家證阿羅漢果後勸請佛陀返回迦毘羅衛探望親族，被譽為令家族生歡喜心第一人。

The son of one of Suddhodana’s ministers, born on the same day as the Buddha and raised as his playmate, who after attaining Arahantship persuaded the Buddha to visit his kinsmen at Kapilavatthu and was declared foremost among monks in gladdening families with the Dhamma.