De or het antiorangist?

The correct Dutch article is:

de antiorangist

Rule Words ending in -ist: almost always de. See the rule

How to use antiorangist

the antiorangistde antiorangist
this antiorangistdeze antiorangist
that antiorangistdie antiorangist
our antiorangistonze antiorangist
your antiorangistjouw antiorangist
every antiorangistelke antiorangist
which antiorangist?welke antiorangist?
a big antiorangist / the big antiorangisteen grote antiorangist, de grote antiorangist