Have the role of is a phrase that describes taking on a certain job or responsibility. It can be used to describe a person's occupation, such as being a doctor or a teacher, or it can be used to describe a specific task, such as being in charge of a project. The phrase 'HAVE the role of' is often used to emphasize the importance of a particular job or responsibility. In this crossword, the answer to the clue 'ARE' (3 letters) is 'HAS', which is a form of the verb 'HAVE'. Therefore, the complete phrase is 'HAVE the role of', which means to take on a certain job or responsibility.