customer-n; 2 Senses

Sense Number 1: someone who purchases goods or services

Commentary: CUSTOMER[+individual][+purchaser]

Examples:
Remember that the customer is always right.
Those customers have been waiting to be seated.
Mary spotted a potential customer at the trade show and walked over to him.
There are few customers for that type of high-end house kit.

Mappings:

Sense Number 2: an individual with distinct traits, a character

Commentary: CUSTOMER[+individual][+character][+distinct]

Examples:
There are some pretty tough-looking customers in this neighborhood.
He looks fierce but he's an easy going customer when you get to know him.

Mappings:
WordNet 0.0 Sense Numbers: 2