If you know what line of work he is in, you can hazard a guess that employers in that field may be employ him. If it is an expansive category, like retail for instance, you can certainly not be expected to never step foot in a store again. But if you are contacting a business that is not his current employer in the ordinary course of doing business and find that he has moved on to them, it is unlikely the court will find you in violation unless it can be shown you approached the company solely because this person works there.

