A social or business visitor.

synoniem: company.

Nederlands: firma, bezoek, bezoeker

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:
— You need a fiddler and a caller for country dancing.

synoniem: caller-out.

Someone who proclaims or summons in a loud voice.

The person who convenes a meeting.

The person initiating a telephone call:
— There were so many callers that he finally disconnected the telephone.

synoniemen: caller-up, phoner, telephoner.

Nederlands: beller

Providing coolness.

Fresh.