How do you say help in Hindi?
— बचाओ! (bacā'o!)

Generic synonyms for help in Hindi
betterबेहतर (behtar)
workकाम करना (kām karnā)
workerमज़दूर (mazdūr)
Specialized synonyms for help in Hindi
handहाथ (m) (hāth)
thanksधन्यवाद (dhanyavād); शुक्रिया (shukriyā); (thaiṅks)