Positive/Negative Roles within A Group

The team concept requires each group member to assume a role. What 2 positive roles do you feel you could assume in a team and why?

There are also negative roles that group members assume. As a leader who wants effective teams, choose two negative group roles and show how you would intervene in order to have a more positive group.

The concept of human relations in the workplace has evolved as the changes in society have evolved. Such changes include technology, diversity, tolerance, respect of authority, work ethic, and crime/violence. Currently in your organization, what is an issue that needs to be addressed to provide a positive work environment? As the leader of your organization, how will you address this issue?