A person who reveals secrets or reports another’s behavior to an authority.
रहस्य बताने वाला
English Usage: He was labeled a tattletale for revealing his friend's plans.
Hindi Usage: अपने दोस्त की योजनाओं को बताने के लिए उसे शिकायत करने वाला कहा गया।
rahasya batane wala, rahasya batana wala, rahasy bataane waala, rahasyaa batane vaala, rahasya batanay wala