Blind (I mean literally, he said he supports doesn't matter what) support to Putin and his imperial effort, public support for the ongoing invasion of Ukraine, helped gathering money for military equipment, showed up to the front to "support troops" and other stuff like that.

Wikipedia has a few lines, with a few sources linked.

You can see also a video (in Russian): https://smotrim.ru/video/2587296

Essentially the equivalent of an IDF groupie. Yuck.