senders

/S EH1 N D ER0 Z/
noun
  1. 1

    Someone who sends.

    โ€œThe package was addressed to someone we didn't know, so we returned it to the sender.โ€

  2. 2

    A device or component that transmits, as in telegraphy or computer networks.

Source: https://en.wiktionary.org/wiki/sender, https://en.wiktionary.org/wiki/senders