A sentence with some jumbled up words and a blank is given. You are required to rearrange the words and fill the blank to form a meaningful sentence.

The responsible(A) of the training are to develop a professional, impartial and efficient civil service that is emphasize(B) to the needs of the citizens and in doing so, care may be taken to objectives(C) the development of proper ethics, commitment to work and _______ for the vulnerable sections.