second-highest varna in the Indian varna system

Kshatriya is a division of the caste system in Hinduism. A kshatriya is a warrior, ruler, politician, or administrative worker.

There are 3 lineages of Kshatriyas:-

However, there is one more lineage (not mentioned in any Puranas) - Nagavanshi (snake-born), who claims descent from the Nagas.