English person who happens to know Polish!
Some of us are fairly fluent, however the age group doesn't suit in my case, plus I'm quite busy at the moment.
Have you tried looking on Facebook on some of the groups for British/other expats etc in Poland? Most of the long term British residents here who speak Polish are probably busy already or not looking for online lessons, however there's a stream of newbies on those pages who often have Polish roots and a basic familiarity with Polish language. Many of them are looking for work or know others who are.