elders and betters

one's elders and betters {old-fashioned}
(people who are older than you and who should be treated with respect) — старшие
respect one's elders and betters — уважать старших

.....When we were children, we were always taught to respect our elders and betters. (CID)
.....Do think that our generation has lost respect for our elders and "betters" and if so how should be treating people who are older than us? (thestudentroom.co.uk)
.....The Millennials seem less ideological than elders and betters and more open to new ideas—some of which may be old, but new to them.

learn maturity from his or her elders and betters