elder brother;  one's senior;  older man;  man older than oneself
 elder brother;  one's senior;  dashing young man;  gallant young lad
 elder brother's wife;  sister-in-law
 older brother;  elder brother;  brother (as older-brother figure in friendly and or work relationship);  young man;  buddy
 senior pupil (of the same master);  senior disciple;  senior student;  senior member
 one's brother-in-law;  stepbrother (elder)
 sworn elder brother;  older male in an homosexual relationship