代替者

substitute

to substitute / to act on behalf of others / to replace / generation / dynasty / age / period / (historical) era / (geological) eon

to replace / to take the place of

to substitute for / to take the place of / to replace / for / on behalf of / to stand in for

(after a verb or adjective) one who (is) ... / (after a noun) person involved in ... / -er / -ist / (used after a number or 後|后[hou4] or 前[qian2] to refer to sth mentioned previously) / (used after a term, to mark a pause before defining the term) / (old) (used at the end of a command) / (old) this