Service tax applicability

Query is for an individual who conducts drama at small stage level. Drama spreads social message and it is conducted in rural areas. Team include members which are not constant show wise, its changes. That person is organiser, director and writer of drama.

whether he is laible to pay service tax for the income recieved from government ?  

Whether he is liable to pay service tax when he acts as writer/director to shows conducted by orthers??