2 adjectives to describe diligent

No judge is rendered careful, no sheriff diligent, for fear that he may offend a black constituency; the contrary is most lamentably true; day after day the catalogue of lynchings and anti-Negro riots upon every imaginable pretext, grows longer and more appalling.

No judge is rendered careful, no sheriff diligent, for fear that he may offend a black constituency; the contrary is most lamentably true; day after day the catalogue of lynchings and anti-Negro riots upon every imaginable pretext, grows longer and more appalling.

2 adjectives to describe  diligent