Between Facebook banning any support, President Biden labeling him a white supremacist, and the Democrat head of the judiciary committee Rep. Jerry Nadler suggesting a unanimous jury verdict was a “miscarriage of justice” which needs to be investigated, Rittenhouse is going to a busy man.
Most likely not. As was pointed out by a lot of lawyers who followed the case (that I watched on YouTube), defamation lawsuits after a criminal prosecution are very hard to pursue. Also public officials enjoy anti-diffamation protections generally, especially the president and member of congress and members of the senate.
I am fairly certain that he isn't considered a public figure, aside from the trial itself, so the bar for libel and slander is much lower than if he were a celebrity.
Nick Sandmann got absolutely massive settlements; I am curious as to the extent that the situations are similar or different.