Am I correct in thinking that Pita would have been on that list, if the MFP had not been disbanded and Pita banned for 10 years by the Constitutional Court?
Seems planned.
If you worked in the UK immediately before moving to another country, you may be able to pay Class 2 contributions (around 200 GBP per year) for any gap years during which you were working abroad.
When the Future Forward party was dissolved in 2020 it's funds (10 million Baht) were seized and put into the Political Party Development Fund.
I expect the same will happen, though I can't find any news articles to confirm it.