Is there a function to change a list value to a text? I want to use the & operator with list values, but it only accepts text. When I try just using the list-formatted line items, I get the error below, so it seems that if I could convert the list selection into text then I'd be fine: The 'text1' argument for the '&' function should have datatype of TEXT not LIST:ILT Offerings:text1 & text2
Question, why are you wanting a text field when Text is less performant than a list formatted line item? Based on what you are stating, the Display Name is list formatted (which is the correct way of doing this) and I assume it is linked to an Employee Flat list of some kind. If that is the case, I would also assume the Employee Flat Display Name is text formatted. So, the formula would be:
employee Flat.Display Name[lookup: this list.Display Name] where "this list" is the list with a display name that is list formatted.