Who was first selected by Gandhiji for Individual Satyagraha?

In the ‘Individual Satyagraha,’ Vinoba Bhave was chosen as the first Satyagrahi. Who was the second?

At which place of Bihar, Gandhiji started Satyagraha movement for the first time in India :

Which of the following was Gandhiji's first Satyagraha Movement in India in which he used Civil Disobedience?

Who participated in ‘Satyagraha’ started by Gandhiji at Ahmedabad in 1917-18?

Who was behind the first known attempt on Gandhi’s life in India during the Champaran Satyagraha in 1917?