Answer:
George is a creative salesperson.
Step-by-step explanation:
A salesperson is someone that works to convince clients of the usefulness of a product with the aim of getting them to buy products.
There are different type is salespeople depending on their style of sales: creative sales person, internal salesperson, team salesperson, and so on.
In this instance George is a creative salesperson because he is valued by his management because he is able to generate new ideas and tactics that retain existing customers.