Frequency: The word is one of the 1500 most common words in English.
1.
The ~ person or thing in a particular area is the one which is most important or successful.
...a ~ member of Bristol’s Sikh community...
ADJ: ADJ n
2.
The ~ role in a play or film is the main role. A ~ lady or man is an actor who plays this role.
ADJ: ADJ n
3.
The ~ group, vehicle, or person in a race or procession is the one that is at the front.
ADJ: ADJ n