noun
business traveller; business passenger
Refers to a guest or customer travelling for business, such as a hotel guest, airline passenger, or restaurant patron.
このホテルはビジネス客に人気がある。
This hotel is popular with business travellers.
空港には多くのビジネス客がいた。
There were many business passengers at the airport.
観光客 means 'tourist', while ビジネス客 specifically refers to someone travelling for business purposes.
Compound of ビジネス (business) and 客 (guest/customer). A straightforward modern term.