The phrase "to build a profile" means collecting and organizing information about someone in order to understand their characteristics, interests, or behavior. Full definition
But a professionally written letter template for requesting donation application can help build the profile of your organization, easily making you qualify for a donation. (template.net)
While building profile on any of the free dating sites you should also try to include some elements of humor and do not be too serious. (adultxchat.com)
The computers then build a profile for each credit card holder. (luigibenetton.com)