something a person is born with
innate - natural
Something ‘innate’ generally refers to a quality or ability that comes naturally to somebody as part of their inner nature rather than through learning or experience. It is typically used in a positive sense to highlight an admirable or advantageous characteristic or talent.
Paula is a good boss because she has an innate sense of fairness that permeates every decision she makes.
The fact that the maths genius grew up in poverty with scant education is proof of the innateness of his extraordinary ability.
The lecturer spoke about the innately human desire to want to travel and explore new cultures.