do-gooder
oxford
views updated May 23 2018do-good·er / ˈdoō ˌgoŏdər/ •
n. a well-meaning but unrealistic or interfering philanthropist or reformer.DERIVATIVES: do-good adj. & n.do-good·er·y / -ərē/ n.do-good·ism / -goŏdˌizəm/ n.
The Oxford Pocket Dictionary of Current English