A political prisoner, according to Richard Tice. Oddly enough many of those who are appearing shocked that he was sent to prison, think that it's an entirely appropriate thing to happen to Just Stop Oil protesters
https://www.bbc.co.uk/news/articles/cpw5w8nl5ezo
Seems clear too me that he was in prison for breaking the law. In what way is he supposed to be a political prisoner? Does Richard Tice know what one of those is?