trainedhandler

noun
UK /treɪnd ˈhændlə/
US /treɪnd ˈhændlər/

A person who has learned how to take care of and guide an animal.

The trained handler walked the big dog calmly through the crowd.


OTHER MEANINGS

2. A person taught to work with a special animal, like a police dog.

The trained handler and her dog searched the building for clues.

3. Someone who has learned to move or use something skillfully.

The trained handler moved the heavy machine with ease.

4. A person who has practiced handling dangerous materials safely.

Only a trained handler may open the chemical box.