Try this: slice a lemon in half. Put it in a heat-resistant bowl. Place bowl into airfryer and set at 200 Celsius for 20 minutes. It’ll probably smoke, so make sure to ventilate well.
After that, you may be able to wipe most of the grease away with a cloth.
As for the ‘No racism’ part, skip the Netherlands. One of the current governing parties is openly racist and can even be considered fascist. Also, we have a huge housing crisis, so finding a place to live may be challenging.