How Do I Highlight All Matching Names In Both the Master and Absentee Lists?

I have a table with a master list of names. In another table there is a list of absentees. When someone in the master list notifies us they will be absent we put their name is in the absentee list. So, the absentee list is a subset of the master list. I want to highlight the matching name in both the master list and the absentee list? By highlight I mean changing the cell or text color, or any means of having the same name in both the master and absentee lists stand out.
I’m doing this because each week the Numbers document is distributed to a team of coaches who assign bowling lanes to disabled bowlers on the master list. An absent bowler should not be assigned a lane. Lane assignments are made before bowling time so coaches can expedite preparing disabled bowlers for play.
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Gregg Dooley