A person who counts votes at an election. (Cambridge Dictionary)
A person employed in a bank to receive and pay out money. (Cambridge Dictionary)
A person employed to deal with customers’ transactions in a bank. (Oxford Dictionaries)
A cashpoint machine. (Oxford Dictionaries)
One that relates or communicates. (Merriam – Webster)
A teller is someone who works in a bank and who customers pay money to or get money from. (Collins Dictionary)
Why bank tellers won’t become extinct any time soon.
Automatic teller machine.