not bad, I like the checks! He looks better than my first 15 orks.....
But there are still a few things you can improve. The metal for example could look better. I'd use a flat coat of boltgun (or whatever metal you are using) and wash it with black (either badab black or VERY thinned down chaos black)
if you want to get better at painting, check this thread:
I asked the members of this board to share their most useful pieces of avice, and one can learn a lot from it!
keep up the painting!