1. people who manage, control, or work with something or someone
2. people who train and care for animals, especially working animals
3. people who move or transport goods, luggage, or materials

Examples

• The dog handlers worked with police canines at the airport.
• Baggage handlers loaded the suitcases onto the plane.
• The celebrity’s handlers scheduled all her interviews.
• Animal handlers at the zoo feed the elephants twice daily.
• Food handlers must wash their hands frequently.
• The politician’s handlers prepared him for the debate.
• Cargo handlers unloaded the shipping containers at the dock.