Is the hierarchy set for life? Can a person who has been at the bottom for many years learn to rise above their station by hard work and learning?
No of course not set for life,you can see many who were rich dropped down and many
who where down went up.
"He causes to suffer whomever He wills, and bestows His mercy on whomever He wills; and unto Him you shall be made to return:
(29:21)
Such is God's bounty: He grants it to anyone who is willing [to receive it]: for God is limitless in His great bounty.
(62:4)
singling out for His grace whom He wills. And God is limitless in His great bounty."
(3:74)
GOD is most kind unto His creatures: He provides sustenance for whomever He wills for He alone is powerful, almighty!
(42:19)
Behold, thy Sustainer grants abundant sustenance, or gives it in scant measure, unto whomever He wills: verily, fully aware is He of [the needs of] His creatures, and sees them all.
(17:30)
Say: "Behold, my Sustainer grants abundant sustenance, or gives it in scant measure, unto whomever He wills: but most men do not understand [God's ways]."
(34:36)
[and who only hope] that God may reward them in accordance with the best that they ever did, and give them, out of His bounty, more [than they deserve]: for God grants sustenance unto whom He wills, beyond all reckoning.
(24:38)
GOD GRANTS abundant sustenance, or gives it in scant measure, unto whomever He wills; and they [who are given abundance] rejoice in the life of this world even though, as compared with the life to come, the life of this world is nought but a fleeting pleasure.
(13:26)
For if God were to grant [in this world] abundant sustenance to [all of] His servants, they would behave on earth with wanton insolence: but as it is, He bestows [His grace] from on high in due measure, as He wills: for, verily, He is fully aware of [the needs of] His creatures, and sees them all.
(42:27)
SAY: "O God, Lord of all dominion! Thou grantest dominion unto whom Thou willest, and takest away dominion from whom Thou willest; and Thou exaltest whom Thou willest, and abasest whom Thou willest. In Thy hand is all good. Verily, Thou hast the power to will anything.
(3:26)