Brother (informal address for a male friend or stranger).
Brother; mate; friend (from Afrikaans "broer").
Brother; mate; friend (informal male address).
Brother; mate; friend (shorter, more informal than "bra").
Older brother (used by males to older males, also for close male friends).
Older brother (used by females to older males, also for boyfriends/male friends).
Oh my brother (addressing a male friend).