unfilial child; undutiful son/daughter
Refers to a child who does not fulfill their filial duties; can be used for either gender. The term carries a strong moral judgment rooted in Confucian values.
An unfilial child who does not care for their parents will not be trusted by others either.
He doesn't look after his parents and is called an unfilial child.
孝行 means filial piety or devotion to one's parents, the opposite of being an 不孝者.
Compound of 不孝 (unfilial) and 者 (person). The exact historical derivation is uncertain, but the term reflects traditional Confucian values.