handler

n person who trains and controls an animal, esp a police-dog 训练和管理动物的人; （尤指）警犬训练员.

handbag (US purse), handball, handbill, handbook, handbrake, handcart, handclap, handcuff, handcuffs, handful, handhold, handicap, handicapped, handicraft, handily, handiness, handiwork, handkerchief, handle, handlebar, handling, handloom, handmade, handmaid (also handmaiden), handout, handrail, hands-on, handsaw, handshake, handsome, handsomely, handsomeness, handspring, handstand, handwriting, handwritten, handy, handy man, handyman, hang,