brothers; comrade

senior male fellow disciple or student (by seniority, not age); son of one's teacher who is older than oneself

older male cousin through a female relative

older male patrilineal cousin

elder brother

(honorific written address) My dear friend

older male second cousin

Your esteemed older brother (honorific)

wife's older brother

(polite) my elder brother

lit. older brother; fig. fellow students who are successful in the imperial examinations

father and elder brother(s); head of the family; patriarch

senior partner in sworn brotherhood

senior fellow student

older stepbrother

elder brother born to the same parents

husband of wife's older sister

eldest brother

elder brother

(humorous) pig (alluding to Zhu Bajie 豬八戒|猪八戒[Zhu1 Ba1 jie4])

(coll., humorous) money (so named because in former times, Chinese coins had a square hole in the middle)