प्रोत्साहक मतलब [वि.] - उत्साह बाँधने वाला; हिम्मत बँधाने वाला; पीठ ठोंकने वाला। Also see Protsahak in English.
Here is meaning of Protsahak in hindi. Get definition and hindi meaning of Protsahak. What is Hindi definition and meaning of Protsahak ? (hindi matlab - arth kya hai?).