seems to be the best option. It's opposite to 'softly' or 'gentle tap'.
Jasper gives us a very good point. 'hard' is different from 'hardly' so one should not get confused that opposite to 'softly' is 'hardly'. 'Hardly' means barely.
The antonym of follower is leader; however, you do not need an antonym. You are simply negating the sentence "The Tsung is a follower of the Dalai Lama". As far as I know, there is no single word in English for the concept you are trying to express. We have 'non-believers', but we don't normally have 'non-followers'. I am afraid you'll have to use 'not'.
The "opposite" of a 'minor' is an 'adult'. Or, you can say "she has reached the age of majority." For the latter see the Oxford dictionary, definition 2.0.
Best Answer
seems to be the best option. It's opposite to 'softly' or 'gentle tap'.
Jasper gives us a very good point. 'hard' is different from 'hardly' so one should not get confused that opposite to 'softly' is 'hardly'. 'Hardly' means barely.