customer
//ˈkʌstəmər//
Noun
customerSingular
customersPlural
1
A person who buys goods or services from a business or store.
The store always treats its customers well.
2
A person or organization that receives services from a professional or company.
The law firm has many corporate customers.
3
Informal: A person of a specified kind (often used with an adjective).
He's a tough customer to deal with.