- Albanian: ndihmës (sq) m
- Arabic: مُسَاعِد (ar) m (musāʕid)
- Aramaic:
- Classical Syriac: ܥܕܘܪܐ m (ʿāḏōrā), ܥܕܘܪܬܐ f (ʿāḏōrtā), ܡܥܕܪܢܐ m (məʿaddərānā), ܡܥܕܪܢܝܬܐ f (məʿaddərānīṯā)
- Armenian: օգնական (hy) (ōgnakan)
- Azerbaijani: köməkçi (az), yardımçı
- Bashkir: ярҙамсы (yarźamsı)
- Belarusian: памо́чнік m (pamóčnik), памо́чніца f (pamóčnica)
- Bengali: সহায়ক (bn) (śohaẏok)
- Bulgarian: помо́щник (bg) m (pomóštnik), помо́щничка f (pomóštnička), помо́щница f (pomóštnica), помага́ч (bg) m (pomagáč), помага́чка f (pomagáčka)
- Burmese: အကူ (my) (a.ku)
- Catalan: ajudant (ca) m, ajudador m
- Chinese:
- Mandarin: 幫手/帮手 (zh) (bāngshǒu), 助手 (zh) (zhùshǒu)
- Czech: pomocník (cs) m, pomocnice (cs) f
- Danish: hjælper (da) c
- Dutch: helper (nl) m, helpster (nl) f
- Estonian: aitaja, abiline (et)
- Finnish: auttaja (fi), avustaja (fi), apuri (fi), apulainen (fi)
- French: assistant (fr) m, assistante (fr) f
- Georgian: დამხმარე (damxmare), მშველელი (mšveleli)
- German: Helfer (de) m, Helferin (de) f
- Greek: βοηθός (el) m or f (voïthós)
- Ancient: βοηθός m (boēthós), συνέντης m (sunéntēs)
- Hebrew: עוֹזֵר m (ozér)
- Hindi: सहायक (hi) m (sahāyak)
- Hungarian: segítő (hu), segéd (hu)
- Ido: helpanto (io), helpero (io), helpisto (io)
- Indonesian: penolong (id)
- Irish: cúntóir
- Italian: aiutante (it) m, assistente (it), supporto (it) m, apprendista (it)
- Japanese: 助手 (ja) (じょしゅ, joshu), 手伝い (ja) (てつだい, tetsudai), ヘルパー (ja) (herupā)
- Kazakh: көмекші (kömekşı)
- Khmer: អ្នកជំនួយ (nĕək cumnuəy)
- Korean: 조수 (ko) (josu)
- Kurdish:
- Northern Kurdish: alîkar (ku)
- Kyrgyz: жардамчы (ky) (jardamcı)
- Ladino:
- Latin: ayudador m
- Lao: ຜູ້ຊ່ວຍ (phū suāi)
- Latin: adiūtor (la) m, auxiliātor m, optiō m, administer m
- Low German:
- German Low German: Hölper m, Hölpersche f, Hölperin f
- Macedonian: помагач m (pomagač), помагачка f (pomagačka), помошник m (pomošnik), помошничка f (pomošnička)
- Maori: uruora
- Mongolian: туслагч (mn) (tuslagč)
- Ngazidja Comorian: mpveshezi class 1/2
- Old English: helpend m
- Ottoman Turkish: یاردمجی (yardımcı), ناصر (nâsır)
- Pashto: مرستونی m (mrastunay)
- Persian: دستیار (fa) (dastyâr), آسیستان (fa) (âsistân)
- Plautdietsch: Halpa m
- Polish: pomocnik (pl) m, pomocnica (pl) f
- Portuguese: ajudante (pt) m or f
- Romanian: ajutor (ro) m, ajutoare (ro) f
- Russian: помо́щник (ru) m (pomóščnik), помо́щница (ru) f (pomóščnica), ассисте́нт (ru) m (assistént), ассисте́нтка (ru) f (assisténtka), подру́чный (ru) m (podrúčnyj) (worker)
- Serbo-Croatian:
- Cyrillic: помо̀ћнӣк m, асѝстент m
- Roman: pomòćnīk m, asìstent (sh) m
- Slovak: pomocník m, pomocníca f
- Slovene: pomočnik m, pomočnica f
- Spanish: ayudante (es) m or f, ayudador (es) m
- Sranan Tongo: yepiman
- Swahili: msaidizi (sw)
- Swedish: medhjälpare (sv) c
- Tajik: ёрдамчӣ (yordamči)
- Tatar: ярдәмче (tt) (yardämçe)
- Telugu: సహాయకుడు (sahāyakuḍu)
- Thai: ผู้ช่วย (th) (pûu-chûai)
- Turkish: yardımcı (tr)
- Turkmen: kömekçi
- Ukrainian: помічни́к m (pomičnýk), помічни́ця f (pomičnýcja)
- Uyghur: ياردەمچى (yardemchi)
- Uzbek: yordamchi (uz)
- Vietnamese: phó thủ
- Volapük: (♂♀) yufan (vo), (♂) hiyufan, (♀) jiyufan (vo)
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