Do not worry about someone taking your place.

"Do not worry about someone taking your place. No one can take
another’s place. We each have our place in the universe, because
God has made us unique beings, endowed with a specific vibration.
On the physical plane, of course, unjust, dishonest people can
succeed in ousting others, but on the spiritual plane this cannot
happen. The place God gives each one of us is absolutely the one
we deserve. In this domain there is absolute justice.
No one creature is able to take another’s place, but each must
develop to the point where it attains the perfection God
envisaged for it. Even if others have a more important part to
play, it rules where it is, because God gave it that place. By
virtue of being alive, each creature secretes a quintessence of
itself, which is specific to it. No other creature can take its
place; it remains unique and irreplaceable for all eternity."

Omraam Mikhaël Aïvanhov