A: Singh means a lion and Kaur means a princess. In Sikhism these titles eliminate discrimination based on “family name” (which denotes a specific caste) and reinforces that all humans are sovereigns and equal under God.: Singh means a lion and Kaur means a princess. In Sikhism these titles eliminate discrimination based on “family name” (which denotes a specific caste) and reinforces that all humans are sovereigns and equal under God.