brother
/ˈbɹɐðɘ(ɹ)/
Son of the same parents as another person.
A male having at least one parent in common with another (see half-brother, stepbrother).
A male fellow member of a religious community, church, trades union etc.
I would like to thank the brother who just spoke.
A form of address to a man.
Listen, brother, I don't know what you want, but I'm not interested.
A black male.
Somebody, usually male, connected by a common cause or situation.
Someone who is a peer, whether male or female.