The ontology of the human being is elusive. But let’s say: You are a soul and you own your person.
The soul and the person together constitute the human being. It is also apt, of course, to say you are a human being. But here, I use ‘you’ to address just you, the soul, as a way to jolt us into a way of thinking.
Souls and persons are one-to-one, so it is natural that ‘human being’ be signified as either ‘soul’ or ‘person,’ each serving, according to my formulation, as a synecdoche for the human being.
Where does the person end and