leaping in, n.Definitions

Leaping in (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠the help that takes over another's care for him — and quietly makes him dominated and dependent, even when the domination stays hidden from him.