Speaker

 

Speaker

the person who controls the way in which business is done 

in an organization which makes laws

（議會等立法機構的）議長

https://dictionary.cambridge.org/zht/%E8%A9%9E%E5%85%B8/%E8%8B%B1%E8%AA%9E-%E6%BC%A2%E8%AA%9E-%E7%B9%81%E9%AB%94/speaker