horse helper required for free riding

I am looking for a horse helper to help look after my 3 horses, there will be free riding /lessons in exchange for help. mucking out bringing horse from field grooming,
I am looking for some one with experience if possible the main issue is being reliable and confident around horses & not mind British weather, 2 weekday evenings weekend riding also available, help at shows from may to October 2 per month, if under 16 then must have parents consent if you are intrested please call, thanks lou.