caller

名词 caller:

a social or business visitor

同义词：company

an investor who buys a call option

the bettor in a card game who matches the bet and calls for a show of hands

a person who announces the changes of steps during a dance

同义词：caller-out

someone who proclaims or summons in a loud voice

the person who convenes a meeting

the person initiating a telephone call

形容词 caller:

providing coolness

fresh