差出人: sender

hold out, present

sender

a letter, epistle (written message or note) / (archaic) a utility paper used for various purposes, such as for jotting down notes or for wrapping items

(Kagoshima dialect) a letter, epistle (written message or note)

interrogative personal pronoun: who, whom

(archaic) interrogative personal pronoun: who, whom

(obsolete, persists in some fossilized expressions) interrogative personal pronoun: who, whom

anyone

somebody, someone