a person who predicts the likely behaviour or description of someone such as a criminal, based on the information that is available about them

Police are liaising closely with a criminal profiler who is advising them of the potential motives, lifestyles, and psychology of possible abductors. 警方与一名犯罪侧写师合作紧密，该侧写师为警方分析潜在绑架者可能的动机、生活方式和心理方面的情况。

In all his years as a psychological profiler, he had rarely come across a spy whose outward life seemed so free of crisis or conflict. 在多年作心侧写师的职业生涯中，他很少遇到表面生活似乎没有危机或冲突的间谍。

a device, program, etc. that finds out information about people or things in order to create a description of what they are like

They use a facility called the "investor profiler" that asks questions about the customer's financial circumstances to build a picture of his or her attitude to risk and the purpose of the investment. 他们利用一种叫做“投资者分析师”的工具，询问客户的财务状况，从而了解客户对风险的态度和投资目的。

a computer program that checks and reports on how another program is working

A coverage profiler lets you analyse the performance of your code, and detect code that is never called. 覆盖率分析程序可以让您分析代码的性能，并检测从未调用过的代码。