foster parent

US /ˈfɑː.stər ˌper.ənt/
UK /ˈfɑː.stər ˌper.ənt/
"foster parent" picture
1.

a person who provides care for a child who is not their biological child, usually for a limited period, without formally adopting them

:
The child was placed with a foster parent after their parents became unable to care for them.
Being a foster parent requires patience and dedication.