Vaiṣṇava—a devotee of the Supreme Lord, Viṣṇu, or Kṛṣṇa.

Vaisnava-a devotee of the Supreme Lord, Visnu, or Krsna.

Link to this page: https://prabhupadabooks.com/glossary/v/vaisnava-a-devotee-of-the-supreme-lord-visnu-or-krsna