来访者

visitor / (psychological counseling) client

to come / to arrive / to come round / ever since / next

to pay a visit

(bound form) to visit / to call on / to seek / to inquire / to investigate

(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