Not necessarily. It is by following the below that one becomes a true Vaishnava.

1. Chant the Mahamantra
2. Speak truth always
3. Practice Ahimsa strictly
4. Don’t be greedy
5. Don’t be jealous of other’s wealth or eye to possess other’s belongings.
6. See every woman other than your wife as ‘Jagan Matha’ (Divine Mother of the World)
7. Be humble and always lie low.
8. Be kind to all
9. Help everyone in all possible ways.
10. Be cheerful always.
11. Don’t turn to any other God than Krishna.
12. Serve Lord Sri Krishna and his devotees.
13. Take Krishna Prasadam always.