Kind-hearted means gentle and generous in the way you treat people. A kind-hearted neighbour.
It is about what somebody does rather than what they feel. A kind-hearted person is taken advantage of and goes on being kind-hearted anyway.
1adjectivekind-heartedGentle and generous in the way you treat people.
“The kind-hearted porter carried it up four flights.”
kind-hearted is a quality.