Verse 18.44 from the Bhagavad Gita reads as follows:

“Krishigaurakshyavanijyam vaishyakarma svabhava-jam,
Paricharyatmakam karma shudrasyapi svabhava-jam”

This verse describes the duties of the third varna, the Vaishya, and the fourth varna, the Shudra. It states that the duty of the Vaishya, who are the merchants and traders, is to engage in farming, cow protection, and commerce, which are all natural to their tendencies and abilities (svabhava). In essence, this means that Vaishyas are expected to engage in economic activities and contribute to the growth and development of the society.

The verse also mentions the duties of the Shudra, who are the workers and laborers. It states that their natural tendencies and abilities are suited for service and support-oriented work. Therefore, the duty of the Shudra is to engage in service-oriented work that supports the other three varnas, as well as the society as a whole. They are expected to follow the instructions to do the job.

Overall, this verse emphasizes the idea of performing one’s duty based on their innate qualities and abilities, rather than their birth or social status. It underscores the importance of working together and contributing to the growth and development of society in a way that is best suited to one’s own strengths and natural tendencies.