What is "Foster sister" in Castilian Spanish and how to say it?

American English

foster sister

foster sister-la hermana de acogida.svg
Castilian Spanish

la hermana de acogida

More Adopting and Fostering Vocabulary in Castilian Spanish

Example sentences

American EnglishMy foster brother is taught me how to play cards.

How To Say "Foster sister" In 45 Languages.

Other interesting topics in Castilian Spanish