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
sworn elder brother; older male in an homosexual relationship
senior pupil (of the same master); senior disciple; senior student; senior member
one's brother-in-law; stepbrother (elder)