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.
See also: kindred, spirit

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]
See also: kindred, spirit

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