If a person or organization is a big spender or a compulsive spender, for example, they spend a lot of money or are unable to stop themselves from spending money. 花费者
noun [专属名词]挥金如土的人;挥霍者;用钱的人
The Swiss are Europe's biggest spenders on food. 瑞士人是欧洲在食品上的最大花费者。