What is "sanerzai"

Sanerzai is a subtribe of Essakhail Kakar, living in the north of Ziarat valley, Pakistan. It is the leading tribe in the district, although with a less population as compared to other tribes residing in Ziarat. The grandfather of the tribe is known as Saner Khan and the tribe is named after Saner Khan. The dominant area of Sanerzai's is "Chawatra", which is famous for its beautiful waterfall of Sandman Tangi.