handler
/ˈhændlə(r)/noun
1
- usu. with modifier a person who handles or deals with certain articles or commodities（物品或商品的）操作者; 处理者：
a baggage handler
一位行李搬运工
a food handler.
一名食品加工工人。
1.1
- a device which handles certain articles or substances操作装置; 处理器。
1.2
- Brit. a person who assists in the trafficking of stolen property or drugs〈英〉销赃者的从犯; 毒贩的从犯。
2
- a person who trains or has charge of an animal, in particular a police officer in charge of a dog（动物）训练者; 警犬训练员.
3
- a person who trains or manages another person, in particular教练员; 管理员, 尤指：
3.1
- a person who trains and acts as second to a boxer拳击教练员; （拳击运动比赛时的）助手。
3.2
- a publicity agent广告员, 宣传员。
3.3
- a person who directs the activities of a spy or other freelance agent操控间谍的人; 自由职业者的经纪人。