I treat honey gouramis as social fish, so more than one would be better than one and personally, I would not keep only one.
Rift Lake cichlids, like those from Lake Malawi, are only compatible with other Rift Lake cichlids from the same lake (with a couple of exceptions). I recommend you do some basic research on them so you know what to avoid, but they're definitely not an option unless you dedicate an aquarium to them. Only South American dwarf cichlids are even remotely compatible with your current set-up, so those are the ones you should be looking at, if you're reconsidering cichlids
Rift Lake cichlids, like those from Lake Malawi, are only compatible with other Rift Lake cichlids from the same lake (with a couple of exceptions). I recommend you do some basic research on them so you know what to avoid, but they're definitely not an option unless you dedicate an aquarium to them. Only South American dwarf cichlids are even remotely compatible with your current set-up, so those are the ones you should be looking at, if you're reconsidering cichlids







