sender

a person who sends an email or text message

emisor, remitente

• the sender of a message

Collocations sender address · sender's email

• The sender of the email is unknown.

  El remitente del correo electrónico es desconocido.

a person who sends a letter or package by post

expedidor, remitente postal

• the sender of a parcel

Collocations sender's address · sender information

• The sender wrote their name on the package.

  El expedidor escribió su nombre en el paquete.

the person who fires a gun or other weapon

disparador, tirador

• the sender of the bullet

Collocations sender of fire · weapon's sender

• The police are looking for the sender of the gun.

  La policía está buscando al disparador del arma.