De or het protestante?

The correct Dutch article is:

de protestante

Rule Words ending in -te: usually de. See the rule

How to use protestante

the protestantede protestante
this protestantedeze protestante
that protestantedie protestante
our protestanteonze protestante
your protestantejouw protestante
every protestanteelke protestante
which protestante?welke protestante?
a big protestante / the big protestanteeen grote protestante, de grote protestante