She said the father's role could not have been filled by herself or her partner.
How could such a person possibly fill the role of mother?
People come into our lives and fill various roles because we need them.
They filled the role of writer, author, project management and editor.
There are times when you seem determined to fill the role.
Two different managers would fill the role for the next three years.
After a few minutes of play, he was selected to fill the role.
They continue to fill important roles in many places today.
In the end, he couldn't see a better actor filling the role of his father.
No one else, it seems, fills quite the same role.