1) Animal trainer 2) Dog show participant 3) Dog show VIP 4) Dog-show figure 5) Dogged policeman 6) Officer in charge of a dog 7) Personal publicist 8) Ring assistant 9) Trainer Found on https://www.crosswordclues.com/clue/handler
Person 18 years old or older, other than an the owner or co-owner, designated by the owner or co-owner of an entered dog to be the handler of, and the person responsible for, the dog at the event. Found on http://www.akc.org/about/glossary.cfm
A person who is taking a dog into the ring to show the dog. Usually refers to a professional handler who shows dogs for clients for a fee. Found on http://www.pilotpapillons.com/glossary.html
person who shows dogs for other people; professional handler. May also board, train and groom their charges, or may pick the dog up at the ringside from the owner. Found on http://www.showdogsupersite.com/actualshow/dogsho3.html