Am I my brother's keeper?(redirected from Am I my brothers keeper?)
Am I my brother's keeper?
I'm not responsible for the actions, behavior, or whereabouts of my close relative or friend (not necessarily a brother). Often used to express frustration that such responsibility is assumed. How should I know where Mary is? Am I my brother's keeper?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.