I watched your video. I have not tried inheritance myself, but that is what I am suggesting. So your SecondaryCharacter should have been created from the PrimaryCharacter class. If you created it that way then it should be both a PrimaryCharacter and a SecondaryCharacter at the same time, and you should be able to get the PrimaryCharacter variables that all PrimaryCharacters and all SecondaryCharacters (by inheritance) have.
I don’t know if you have to cast to the parent class to access the variables though.
If you created the SecondaryCharacter from the CharacterPawn class instead of from the PrimaryCharacter class then this will not work.