which hindu god was known as the preserver
Vishnu Vishnu (Sanskrit pronunciation: [vɪʂɳu]; Sanskrit: विष्णु, IAST: Viṣṇu) is one of the principal deities of Hinduism, and the Supreme Being in its Vaishnavism tradition.[5][6] Vishnu is the "preserver" in the Hindu trinity (Trimurti) that includes Brahma and Shiva.[7]