leader
US /ˈliː.dɚ/
UK /ˈliː.dɚ/

1.
2.
領導者, 領先者
a person or thing that is the best or most successful in a particular field
:
•
This company is a market leader in renewable energy.
這家公司是可再生能源領域的市場領導者。
•
He's considered a thought leader in his industry.
他被認為是其行業的思想領袖。