the “Character” class is a child class of the “Pawn” class and it can jump because somebody at Epic made jumping physics for that specific class.
If you’re making a more generic “Pawn”, then you will have to program your own jumping physics. You can look up tutorials on how to create jumping physics then apply those concepts with blueprint using SetActorLocation and stuff like that.
Or, you could reparent your Pawn to the Character class:
