Does a higher self cease its role once graduation occurs?

[Jeremy]

My girlfriend and I were talking about a subject came up which left me a bit confused. If a mid 6th density entity is given the ability to create an individuated portion of itself to give back to the Creator along with working upon whatever imbalances that remain within it, what happens if this mid 6th density entity or SMC achieves graduation? What happens to it individuated portion of itself that remains in the lower densities? If a higher self ceases being a higher self, would the individuated portion cease to exist? Would it still be considered a higher self once 7th density is reached or does its individuated portion eventually catch up to its higher self before such graduation occurs?