De or het gastdocente?

The correct Dutch article is:

de gastdocente

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

How to use gastdocente

the gastdocentede gastdocente
this gastdocentedeze gastdocente
that gastdocentedie gastdocente
our gastdocenteonze gastdocente
your gastdocentejouw gastdocente
every gastdocenteelke gastdocente
which gastdocente?welke gastdocente?
a big gastdocente / the big gastdocenteeen grote gastdocente, de grote gastdocente