the customer is always right
Service staff should give high priority to customer satisfaction.
noun
A habitual patron, regular purchaser, returning client; a person or company who has a custom of buying from a particular business.
A patron, a client; a person or company who purchases or receives a product or service from a business or merchant, or intends to do so.
Every person who passes by is a potential customer.
Airlines are the chief customers of the commercial divisions of large-aircraft manufacturers such as Airbus, Boeing, and Embraer.
A person, especially one engaging in some sort of interaction with others.
a cool customer, a tough customer, an ugly customer
Pug could just see Slote's pale face under his fur hat. "I don't agree with you on that. He's a pretty tough customer, Hopkins."
A native official who exacted customs duties.
His houses […] are seized on by the Customer.
The Customer should come and visit them.