(someone's) own kind

Translations
(чей-то) собственный вид
She felt more comfortable when she was among her own kind.
Она чувствовала себя более комфортно, когда была среди своих.
Definitions
A group of people who share similar characteristics, backgrounds, beliefs, or experiences as someone else; often used to refer to people who belong to the same social, cultural, or ethnic group as the person being discussed.