De or het sologitarist?

The correct Dutch article is:

de sologitarist

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

How to use sologitarist

the sologitaristde sologitarist
this sologitaristdeze sologitarist
that sologitaristdie sologitarist
our sologitaristonze sologitarist
your sologitaristjouw sologitarist
every sologitaristelke sologitarist
which sologitarist?welke sologitarist?
a big sologitarist / the big sologitaristeen grote sologitarist, de grote sologitarist