sender; person who sends
Refers to the person or entity that sends something, such as a letter, package, or message. Often contrasted with 受け手 (receiver).
Please check the sender's address on the package.
A misunderstanding arose between the sender and the receiver of the information.
Compound of 送り (okuri, 'sending', the continuative form of 送る) and 手 (te, 'person' or 'doer').