De or het kostgangster?

The correct Dutch article is:

de kostgangster

How to use kostgangster

the kostgangsterde kostgangster
this kostgangsterdeze kostgangster
that kostgangsterdie kostgangster
our kostgangsteronze kostgangster
your kostgangsterjouw kostgangster
every kostgangsterelke kostgangster
which kostgangster?welke kostgangster?
a big kostgangster / the big kostgangstereen grote kostgangster, de grote kostgangster