noun
standard-bearer; flag-bearer
Refers to a person who carries a flag or banner, often in a ceremonial, military, or symbolic context. Can also be used figuratively for a leading figure in a movement.
開会式で旗手が国旗を掲げて入場した。
At the opening ceremony, the flag-bearer entered carrying the national flag.
彼は改革運動の旗手として知られている。
He is known as a standard-bearer of the reform movement.