The word "tattletale" refers to someone who tells on others or reveals their secrets or wrongdoings to someone in authority or to others.
Sentences with «tattletale»
They are the best positive tattletales in each field. (template.net)
The author of this program claims that, with PC Tattletale installed on the computer, users will be able to see: chat and instant messages, email, websites visited, face book, social media and online searches. (vkool.com)
We're not looking for tattletales who want to report on other parents. (mommyish.com)