孤儿 (gū ér): 고아.

That boy has been an orphan since childhood and grew up in a welfare home, always longing for a family of his own.

After the war, many children became orphans, and international organizations are working hard to find new families for them.

This couple had no children of their own, so they decided to adopt an orphan and give him a warm home.

Xiao Li is an orphan, but he worked very hard and got into university through his own efforts, changing his fate.

The government provides orphans with basic living security and educational opportunities so that they can grow up healthily.