Buffalo Range Airport (BFO), the small airfield serving Chiredzi and Zimbabwe's southeastern Lowveld, does not operate a lounge of any kind, and travelers heading into this safari region should plan around that fact rather than search for one on arrival.
The honest ground-side reality here is that Buffalo Range exists to move people quickly toward the safari lodges and conservancies that draw them to the Lowveld in the first place, most notably Gonarezhou National Park, one of Zimbabwe's largest protected wilderness areas, along with private reserves such as Malilangwe and the Save Valley Conservancy nearby. Most arrivals transfer directly from the airstrip to a waiting lodge vehicle or connecting light aircraft rather than lingering in any kind of terminal space, so the absence of a lounge barely registers against the itinerary most travelers are actually following. The terminal building itself is small and functional, built to process arriving safari guests quickly rather than to hold them for any length of time.
Zimbabwe's national gateway, Robert Gabriel Mugabe International Airport in Harare, has the country's more developed traveler facilities, though even there the lounge picture is modest by international standards and tied closely to specific airline status or premium tickets rather than a broad membership network. If a lounge matters to your itinerary, Harare is the place to ask, and confirming current options with your airline before you connect through is the more useful step than expecting anything at Buffalo Range itself.
Safari travel to this region follows Zimbabwe's dry season, roughly May through October, when wildlife concentrates around remaining water sources and game viewing in Gonarezhou and the surrounding conservancies is at its best; it is also when Buffalo Range sees its steadiest charter and light-aircraft traffic. Outside that window, flights are sparser and lodges quieter, so build your safari dates and any Harare connection around that seasonal rhythm rather than the airfield's own limited facilities.