They certainly have a presence in the country:
There are nine DEA Offices in the region located in Barbados, Curacao, Dominican Republic, Haiti, Jamaica, Guyana, Trinidad and Tobago, as well as Nassau, and Freeport, Bahamas.
and to quote the US Embassy for Haiti:
The DEA’s Port au Prince, Haiti Country Office assists the Government of Haiti develop and ...
Up until 2012, Article 149 of the Haitian Constitution used to obligate the National Assembly, convened by the Prime Minister, to invest the President of the Supreme Court of the Republic (or, if unavailable, another senior judge in order of seniority) with the duties of President of the Republic - with new elections to be held between 45 and 90 days later.
If this paper on the topic (Navassa Territorial Dispute, by Fabio Spadi, IBRU Boundary and Security Bulletin, Autumn 2001) is anything to go by, the international community seems rather neutral/indifferent. Not even France seems to have lifted a finger.
Apparently because Foote considers Henry unelected:
Foote criticised a recent statement of support for “the unelected, de facto Prime minister Dr. Ariel Henry” and said Haitians need the opportunity “to chart their own course, without international puppeteering and favored candidates but with genuine support for that course”.
'[The AU's] constitutive act declares that it shall "invite and encourage the full participation of the African diaspora as an important part of our continent, in the building of the African Union".'
The idea of an "African nation" includes those who (through acts of conquest and slavery and emigration) are no longer living on the ...