I believe I know who Nigel Farage met with in Florida on 6/20
On Sunday @AricToler of @bellingcat posted a thread trying to geolocate where in Flordia Nigel Farage was https://twitter.com/AricToler/status/1274743224331055104
Monday two users in the in the Bellingcat Discord figured it out https://twitter.com/AricToler/status/1275165832771928071
based on the location I was able to figure out who Farage was most likely meeting with

There was a Florida company registered to that address "1st Tuesday Corp" https://opengovus.com/florida-corporation/P14000045293
https://search.justice.gov/search?query=Gunster&op=Search&affiliate=justice_fara

Gunster has filed FARA for his work on behalf of the Pakistan Peoples Party, but there is nothing for Farage and nothing for "1st Tuesday Corp"

(lobbyist only need to file FARA for lobbying the US, not for lobbying elsewhere as I understand it)
Looking at the reports for 1st Tuesday it has multiple officers who also work for Gunster Strategies as well https://1sttuesdaycampaigns.com/brexit.html 
And have tweeted about it recently as well https://twitter.com/1stTuesCampaign/status/1266034032703406081
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