It turns out this is not a crime of any sort.
It's explicitly allowed. There's a community note on Twitter saying the FC FEC allows this.
And I found this Can I volunteer for a campaign committee if I am not a U.S. citizen? Even though a foreign national cannot make campaign contributions or expenditures (including advances of personal funds), he or she can serve as an uncompensated volunteer for a campaign or political party. However, the individual may not serve in a decision-making capacity within the committee. For example, a foreign national is allowed to attend campaign strategy meetings and events, but may not be involved in the management of the committee. AOs 2007-22, 2004-26 and 1987-25.
It turns out this is on a crime of any sort.
It's explicitly allowed. There's a community note on Twitter saying the FC FEC allows this.
And I found this Can I volunteer for a campaign committee if I am not a U.S. citizen? Even though a foreign national cannot make campaign contributions or expenditures (including advances of personal funds), he or she can serve as an uncompensated volunteer for a campaign or political party. However, the individual may not serve in a decision-making capacity within the committee. For example, a foreign national is allowed to attend campaign strategy meetings and events, but may not be involved in the management of the committee. AOs 2007-22, 2004-26 and 1987-25.