assistant, sub-, vice-, auxiliary, supplemental

assistant / sub- / deputy / vice-

government office / government official / official rank; official position / public; state-owned (use, facility, etc.) / sense organ

government office; authority / government official / official rank; official position / (obsolete) the state; government / (obsolete) short for 太政官(だいじょうかん) (daijōkan).

official

headquarters

control tower

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)