Big Brother, Big Brothers/larger brother:

big brother, Big Brother:
any person, organization, or system that seems to want to control people's lives and restrict their freedom:
• We don't permit smoking in the office, but we're not Big Brother. If people go outside to smoke, that's fine.


Big Brothers :
an organization that helps boys, especially boys who have family problems, by giving each boy someone who meets him regularly to give advice, listen to his problems, etc

larger brother:
a large person is tall and often fat:
• Aunt Betsy was a very large woman