Nounbrothers and sisters; siblings · half-siblings; step-siblings; siblings by marriage or adoption · mate; friend

Nounelder brother · one's senior · older man; man older than oneself

Nounolder brother; elder brother · brother (as older-brother figure in friendly and or work relationship) · young man; buddy; fella; laddie

Noun(one's) older brother · young man; sonny; lad

Pronounyou · Mr; Mister · older brother; elder brother