a customer helper
It is a shop assistant.
A bank employee that helps customers borrow money would be called a loan officer.
Someone who sells houses is called a realtor.
An assistant.
Attending to the customers in casual
Accomplice. Or it could be an Abettor.
Yodlee offer services in personal finacial management to customers. They also offer a web aapplication which is called Money Center. This application helps customers to manage their finances.
treason
treason
Waiter.
Shop Assistant
Shop Assistant