I'm not sure who these rich are who like tariffs apart from Trump? Mostly rich people like low tax and low meddling with trade. I think it's the politicians who like tarrifs as it gives them a way to meddle.
Perhaps that was badly put, but I'm quite certain that the interests in the US who advocate for tariffs are among the wealthy. It would not be accurate to imply that all of the wealthy advocate for tariffs, yes.
Tariffs in agriculture, automotive, and all sorts of other things have benefitted corporations and people with a lot of money and cost people who need to buy those things. (I hope I can say that without getting into whether those tariffs also serve the greater good)
> Mostly rich people like low tax and low meddling with trade.
That's imprecise. America's rich are often unmoved when it's pointed out that their employees pay more taxes than they do as a percentage of income. I'm sure that they like it when their taxes are low.