Who among the following Gandhian followers was a teacher by profession?

1. The question asks which of the named Gandhian followers was a teacher by profession. 2. A. N. Sinha was a politician and lawyer. 3. Braj Kishore Prasad was a lawyer and independence activist. 4. J. B. Kripalani (Jivatram Bhagwandas Kripalani), known as Acharya Kripalani, was a prominent independence activist, Gandhian socialist, and politician. Before fully dedicating himself to the freedom struggle, he worked as a teacher and professor at various institutions, including Banaras Hindu University, and served as the principal of Gujarat Vidyapith founded by Gandhi. His title 'Acharya' reflects his background as a teacher. 5. Rajendra Prasad was a lawyer and statesman who became the first President of India.