Among the following, who was not a proponent of bhakti cult ?

1. The question asks who among the given figures was *not* a proponent of the bhakti cult. 2. Bhakti cult refers to the devotional movement in Hinduism that emphasizes intense emotional devotion to a personal god. 3. Tukaram (B) was a prominent 17th-century Marathi Bhakti poet-saint devoted to Vithoba (a form of Vishnu/Krishna). He was a key figure in the Bhakti movement. 4. Tyagaraja (C) was a renowned 18th/19th-century composer of Carnatic music, whose compositions are filled with devotion (bhakti) primarily towards Lord Rama. 5. Vallabhacharya (D) was a 15th/16th-century philosopher who founded the Pushtimarg sect, emphasizing selfless devotion (bhakti) to Krishna. 6. Nagarjuna (A) was an influential 2nd/3rd-century Mahayana Buddhist philosopher, known for founding the Madhyamaka school and expounding the concept of Shunyata (emptiness). He was a Buddhist philosopher, not a proponent of the Hindu bhakti cult. 7. Therefore, Nagarjuna was not a proponent of the bhakti cult.