If the “unit” above (using “unit” intentionally as it doesn’t matter whether it os owner occupied, rented, vacant, used as a smoke shop, whatever) is violating the HOA rules, your path to resolution is to the HOA Board, management co, etc.

@Trish Mccoy gave you some options to get a resolution.

If you want to know more about the market here, I'd talk to Clay Lehman at Resolute Property Management in Ocala who will give you an honest assessment.

The second time someone says (xyz) you will now confidently know what to say, and your now bold resolute answer will give your seller comfort that he's dealing with a professional.

I am seeking resolution and would appreciate any input from the BP community.

If the tenant is truly upset about the other tenant and the other tenant is acting in a way that interferes with peaceful enjoyment of the property then you as a landlord have a duty to intervene and seek some kind of resolution.

Don't look for quick resolutions there.

After posting on their Facebook page the social media team refers me to emails previously sent - which as explained here never even closely came to a resolution.

You can use the Airbnb resolution center to collect and then reimburse refundable security deposits. 

So the resolution was the people changed their DL to the property address and the Appraisal District actually did me a favor and approved the exemption outside of the window