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.
(..) I'm here doctors are here he saw us like we asked him to give his both kidneys we kept writing and he was busy in arranging papers according to role numbers do you know who are us? Do you know our name or role numbers? What's your role number? Where is that paper? (..)2009 3 Idiots