someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous) | a social or business visitor |
someone who circulates forged banknotes or counterfeit coins | the person initiating a telephone call |
an organism that can utter vocal sounds | the person who convenes a meeting |
| someone who proclaims or summons in a loud voice |
| a person who announces the changes of steps during a dance |
| the bettor in a card game who matches the bet and calls for a show of hands |
| an investor who buys a call option |