caller
caller - noun
a social or business visitor
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
someone who proclaims or summons in a loud voice
the person who convenes a meeting
the person initiating a telephone call
caller - adjective
caller - thesaurus
company
phoner
telephoner