volunteer (intransitive verb)
Afrikaans: vrywilliger
Arabic: mutatawie = متطوع
Armenian: kamavor = կամավոր
Bengali: s(b)e-ccha-sebaka = Sbēcchāsēbaka = স্বেচ্ছাসেবক
Cebuano: boluntaryo
Chichewa: wodzipereka
Chinese: zhi-yuan = Zhìyuàn = 志愿 ideographically and phonetically zhi 志 = aspiration, yuan 愿 = willing.
Danish: frivillig
Dutch: vrijwilliher = vrijwilliger
English: volun’teer = ˌvälənˈtir = volunteer
Esperanto: volontulo
Estonian: vaba-ta-h-tlik = vabatahtlik
Filipino: magboluntaryo
Finnish: vapaaehtoisena
French: se porter volontaire
German: fraiwilliger = Freiwilliger
Greek: ‘ethelontis = ethelontís = εθελοντής
Hausa: sa kai
Hawaiian: manawaleʻa
Hebrew: le-hit-‘na-dev = לְהִתְנַדֵב
Hindi: svayansevak = स्वयंसेवक
Hmong: pab dawb
Indonesian: sukare-lawan = sukarelawan
Italian: volontario
Japanese: Borantia = ボランティア
Javanese: sukarelawan
Kannada: svayansevaka = Svayansēvaka = ಸ್ವಯಂಸೇವಕ
Korean: jajin(h)ayeo hada= 자진하여 하다
Lao: asasamak = ອາສາສະໝັກ
Latin: Voluntarius
Macedonian: volonter = волонтер
Malay: sukare-lawan = sukarelawan
Maori: tūao
Myanmar: hcay-ta-nar-waanh-tam = hcaytanarwaanhtam = စေတနာ့ဝန်ထမ်း
Nepali: svayan-sevaka = Svayansēvaka = स्वयंसेवक
Norwegian: frivillig
Pashto: khid-maht kaw-al = خدمت کول
Persian: da-vo-‘ta-leb = داوطلب
Portuguese: voluntário
Russian: volonter = волонтер
Samoan: volenitia
Spanish: volun’tario = voluntario
Swahili: kujitolea
Swedish: volontar = volontär
Thai: (X)asa sma(k)hr = Xās̄ā s̄mạkhr = อาสาสมัคร
Turkish: go-nu-llu = gönüllü
Ukrainian: z-holoshuvatysya = z·holoshuvatysya = зголошуватися
Uzbek: ko’ngilli
Vietnamese: tình nguyện
Welsh: gwirfoddolwr
Xhosa: ivolontiya
Yiddish: frayviliker = פרייַוויליקער
Zulu: ivolontiya