caretaker of a rescue pet; pet adopter
Used in animal rescue contexts for the person who takes in and cares for a rescued animal, often as a permanent adopter.
We are looking for adopters for the rescue dogs.
She became the caretaker of three rescue cats.
Compound of 迎え (mukae, 'welcoming, receiving') and 主 (nushi, 'owner, master'). The term likely originated in animal rescue circles.