SayToPlayer
From the Scripting Manual
procedure SayToPlayer(ID: byte; Text: string); Parameter Info: ID (Byte): Player ID to send text to Text (String): Text to be sent to player(ID). Description: This function will send a /say message to a specific player.
Examples
begin
SayToPlayer(1,'Soldat is Sexy');
//This will send /say Soldat is Sexy to player #1
end;