Prescriptivist

I ain't no prescriptivist.

Source: tatoeba (13635167)

I'm not a prescriptivist.

Source: tatoeba (13635237)

The plutocratic tone and styptic wit of Safire and Newman and the best of the Prescriptivists is often modeled after the mandarin-Brit personas of Eric Partridge and H. W. Fowler, the same Twin Towers of scholarly Prescriptivism whom Garner talks about revering as a kid.

Source: wiktionary

In short, they tend to present Indian English as nothing more than "standard" English with a select collection of lexical peculiarities tacked on, as it were, many of which would be regarded as "errors" by prescriptivist language scholars.

Source: wiktionary