noun
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.
保護犬の迎え主を募集しています。
We are looking for adopters for the rescue dogs.
彼女は三匹の保護猫の迎え主になった。
She became the caretaker of three rescue cats.