kindred spirit, a
a kindred spirit
A person who shares several or many fundamental beliefs, ideas, convictions, sentiments, attitudes, and/or interests with oneself. It didn't take long to figure out that John is a kindred spirit, and we've been the closest of friends ever since we met.
kindred spirit
Also, kindred soul. An individual with the same beliefs, attitudes or feelings as oneself. For example, Dean and I are kindred spirits when it comes to spending money-we're both tight. [Mid-1800s]
kindred spirit, a
A soulmate; a person very like oneself in temperament, views, likes, and dislikes. Used since the mid-nineteenth century and sometimes put as kindred soul, the expression appears in one of George Eliot’s letters of 1849: “You won’t find any kindred spirits at Plongeon.”
See also: kindred