How to sign: the distinctive quality or pitch or condition of a person's speech
"A shrill voice sounded behind us";
Categories: sound
Within this category: androglossia
How to sign: an advocate who represents someone else's policy or purpose
"the meeting was attended by spokespersons for all the major organs of government";
Similiar / Same: spokesperson, representative, interpreter
Categories: advocate, advocator, exponent, proponent
Within this category: ambassador, flak catcher, mouthpiece, spokesman, spokeswoman, traveling salesman