You are a project manager leading a team responsible for developing a new software application. The project is critical for the company's success, and it involves handling sensitive customer data. As the project progresses, you notice that some team members are cutting corners and engaging in unethical behaviour to meet tight deadlines. This behaviour could potentially compromise the security and privacy of the customer data. Inspired by Nelson Mandela's leadership style, you decide to promote ethical behaviour amongst your team.

Describe any five (5) roles of project managers in promoting ethical leadership in your project team. (20 marks)