foster parent
US /ˈfɑː.stər ˌper.ənt/
UK /ˈfɑː.stər ˌper.ənt/
1.
a person who provides care for a child who is not their biological child, usually for a limited period, without formally adopting them
:
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The child was placed with a foster parent after their parents became unable to care for them.
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Being a foster parent requires patience and dedication.