one's junior; person born later
Rare, classical usage referring to someone younger or born after oneself. Modern Japanese uses 後輩 or 年下.
Extremely rare, found only in classical or philosophical contexts, often paired with 往者 (past). Not used in modern Japanese; 未来 is standard.
See also: 往者
In classical texts, 来者 is sometimes used to mean a younger person.
往者 and 来者 are old antonyms meaning past and future, respectively.
Standard word for future; 来者 in this sense is extremely rare and classical.
Compound of 来 (come) and 者 (person). The classical meanings 'junior' and 'future' derive from the idea of 'one who comes after'.