Gauranga

Gauranga is another name for Chaitanya Mahaprabhu (or Gauranga Mahaprabhu), the 16th century founder of Gaudiya Vaishnavism. The term Gauranga Mahaprabhu references Chaitanya possessing the golden complexion of the goddess Radha as an avatar of Krishna.

The term 'Gauranga' is relevant in Gaudiya Vaishnavism due to scriptural verses such as the following found in the Bhagavata Purana:

In the Age of Kali, intelligent persons perform congregational chanting to worship the incarnation of Godhead who constantly sings the names of Kṛṣṇa. Although His complexion is not blackish [ākṛṣṇaṁ], He is Kṛṣṇa Himself. He is accompanied by His associates, servants, weapons and confidential companions.

— Canto 11, Chapter 5, Verse 32

'Krsna' (or 'Krishna', Sanskrit कृष्ण) means 'black'; 'Akṛṣṇam' ('a-krsna-m') means 'not black' or 'golden'. 'Gauranga' refers to the golden skin complexion of Chaitanya Mahaprabhu, most notable for popularising the 16 syllable "Hare Krishna" maha-mantra, also known as the Nama-Sankirtan (congregational chanting of the Holy-names of the Lord):

Hare Krishna, Hare Krishna
Krishna Krishna, Hare Hare
Hare Rama, Hare Rama
Rama Rama, Hare Hare

This mantra is intended to spread love for God without seeing any mundane qualification or characteristic such as color, cast, creed, or nationality.

He came as a devotee of the Lord to teach the conditioned souls how to discharge devotional service properly. The master is teaching the servant by his own example. Therefore, the path chalked out by Lord Chaitanya is taken as the most perfect by all the acharyas (learned authorities from disciplic succession). Shrila Bhaktisiddhanta Sarasvati Prabhupada, the spiritual master of A.C. Bhativedanta Swami Prabhupada has sung: Śrī-kṛṣṇa-Caitanya rādhā-kṛṣṇa nahe anya (Lord Shri Krishna Caitanya is non-different from Radha-Krishna) - as He Lord Chaitanya is Krishna himself in the mood of his best devotee - Shrimati Radharani - who excels everyone in her service, love and devotion to the Lord.