People in a group with strong faultlines

What can happen to people in a group with strong faultlines and what effects can faultlines have on group performance? How can the relationship between group faultlines and performance be best managed? What can status hierarchy do to the structure of a team? How does status affect the work motivations of both prestigious and devalued subgroups? What are the challenges to each of the three factors that affect taskwork-teamwork network structures? In each team network structure, what factors will lead to optimal performance?