The word Varna has been used by scriptures in different senses/meanings based on the context. This question is restricted to usage of Varna in Humans only.
I know at-least five senses:
Varna assigned ...
I recently asked a question requesting for Sanskrit verses containing the word Varna in different contexts.
I provided the five senses:
Varna assigned by Krishna for each individual based on guna and ...
Like any library, Hinduism Stack Exchange shares great information, but does not offer personalized advice, and does not take the place of seeking such advice from any Acharya, Pundit, astrologer, Guru or other trustworthy Counselor.