The government is taking an active 'role in' improving public schools. [=the government is actively involved in improving public schools]
After her husband left her, she had to take on the dual 'role' of mother and father for her children.
It was a case of 'role reversal': the father stayed home with the children while the mother worked.
(..) Okay. We better go warn Mark. SCARLET: You really care about him, don't you? - Yeah. - That's nice. That's really nice. He really needs a male role model. - He's a great kid. - Mm-hm. You know, they both are. I think you're a great mother. Thank you. (..)2009 17 Again