✔️ Di sini diasumsikan bahwa orang tua masih lengkap. Jika tunggal, their harus disesuaikan dengannya, his atau her.

Dari pertanyaan, sang orang tua terpaksa (bukan dipaksa) untuk menyerahkan pengasuhan anak. Di mata hukum, ini tetap dianggap sukarela, sehingga kata relinquish cocok pas gulagucok.

Dari contoh di Lexico:
relinquish voluntarily cease to keep or claim
‘he relinquished his managerial role to become chief executive’

peran manajer terpaksa dilepas demi menjadi kepala eksekutif.

🗲 Kata physical barangkali perlu ditambahkan, karena ada dua aspek dalam penyerahan anak: legal dan fisik. Si orang tua dalam kasus ini mungkin menyerahkan anak begitu saja, tanpa surat pernyataan penyerahan anak yang sah/resmi. Dalam hal ini, sang orang tua biologis masih dapat menuntut/memangku hak atas anak secara hukum, misalnya hak mewakili anak dalam membuat perjanjian ketika si anak masih di bawah usia dewasa.

🧒 SURJAYA 🧒
https://nmcdn.io/e186d21f8c7946a19faed23c3da2f0da/5ef2e685c8...
The idea of being forced to decide between the custody of a child and accessing critically needed services for a child with severe mental illness is unspeakable, but a stark reality for too many families. As a result, many families are forced to do the unthinkable – relinquish custody of their child to the state to access services to treat the child’s mental illness.

https://morenolawkc.com/relinquish-legal-physical-custody-di...
Legal and physical custody can take a different forms. For example, parents can jointly share legal custody of a child... The decision to relinquish custody must be a free and voluntary act. A person cannot be forced to change a custodial arrangement, except by order of the court.

https://caselaw.findlaw.com/nv-supreme-court/1185635.html
The parents in those cases voluntarily relinquished custody of their child to a nonparent and assumed that the custody arrangement was temporary.