The 43rd verse of chapter 18 of Bhagavad Gita is as follows:
“shauryam tejo dhritirdaakshyam yuddhe chaapy apalaayanam,
daanamishvara-bhaavashcha kshatram karma svabhaava-jam”
The verse 18.43 from the Bhagavad Gita is referring to the Kshatriya varna. The Kshatriya varna is traditionally associated with warriors, rulers, and administrators. In ancient India, the Kshatriyas were responsible for protecting society. The verse is emphasizing the qualities that a Kshatriya must possess in order to perform their duties effectively, such as bravery, power, determination, skill in warfare, pride and never to retreat from battle. Additionally, the verse mentions that a Kshatriya must have the quality of large-heartedness in charity.