(this post is a feed post from my comments on reddit)
r/business
just down tools, wait for him to start complaining then bring up the conversation about ownership and sweat equity and work contribution. and ask him to provide evidence of contribution moving forwards.
there’s always some random dude who has idea that believes they are entitled to the lions share simply for thinking it up. i once got asked to join a team were the idea man gave himself 60% equity and i had to do everything for 5%, nope’d out of that one quick and as soon as the coal miner downed tools, the whole project fell apart.