An older brother is a male sibling who is older than one or more of his siblings. He often takes on a protective role within the family, providing guidance and support. Older brothers can influence their younger siblings' interests and behaviors, serving as role models in various aspects of life. In many cultures, the relationship between an older brother and his siblings is significant. He may help with responsibilities, such as homework or sports, and can be a source of companionship. This bond can shape the dynamics of the family and contribute to the emotional development of younger siblings.