He is a Tajik person, he came from Tajikistan.

He went on a trip with his Turkmen friend.

He is a Kyrgyz person and a very kind person.

He visited the pyramids with his Egyptian friend.

He is an Uzbek person and speaks Uzbek.

He dreams of becoming a billionaire.

He is a Tokyoite, both by birth and upbringing.

He is a person from Kansai, so he speaks in Kansai dialect.

He is the most competent employee of our company.

He is the guardian of our village.