whatever differentiates, or triggers differentiation (in just about any feeling)
person who, or what, differentiates.
a person who or that which differentiates: because, the radicals of written Chinese act as differentiators of good sense, even though the phonetics have fun with the exact same part in relation to sound.
somebody who (or whatever) differentiates
Anything that differentiates, or causes differentiation (in every good sense)
person who, or that which, differentiates.
one that or that which differentiates: because, the radicals of written Chinese serve as differentiators of feeling, although the phonetics play the exact same part in regards to sound.