Most predators well know when we are in their territory. I have only been able to sneak up on a cat twice and that was pure luck. If a cat is intent on attacking you, you will probably never know until he is on you. That is their game and they are good at it.
I rely on knife and pistol where ever I go, but now make plenty of noise unless I am hunting, this includes a bell on my horse and one on my dog. (Mostly because I like the sound of bells). I will add that when your horse feel obvious, the sound of the bell when your dog runs through the brush behind you keeps you out of challenging situations.
I almost learned the hard way when fishing when walkng along a strem and met a sow with two cubs nose to nose. We stood looking at each other, not 15 feet between us! I ordered my Dog Blue out, she ducked back, the sow and I stared at each other, I felt she did not want to take me but would if she had to, I slowly backed out maintaining eye contact until I was out of sight. She "woffed", I waited and went back the way I was going and she and the cubs were long gone. All I had between me and the sow at that time was my 1946 vintage Wright McGill fly rod.
I have never had the desire to kill a bear or cat, to me they are beautiful animals. If I had the desire there would be 'trophies' hanging on my wall. The way it is there is only one, a coyote that was working my sheep and I nailed him at 380 yards at a full run (pass shot left) I rarely miss pass shots left. His mistake was being at the exact distance of my practice target. (223 hand load with a Hornady 50 grain SX) Bragging rights you bet!!!
When you hunt cats, especially older cats you will find them a real challenge. I use my camera, but feel good about the revolver in my shoulder holster.
My suggestion about the wasp spray was meant for folks who live in liberal country and can be predated upon by the law. It will be a moot question in court when you used it to protect yourself. (hopefully)
A college friend raised a starved out kitten on a bottle. We used to wrestle with him in the living room. One night he bit into my collar and it was serious. He raked me with his hind feet and I knew I was dead. My friend said "hit him" bellering "Bad Car" I did and he hid behind the couch.
I, with great reluctance looked down to my belly, he had kept his claws in, and they been out there would have been a real mess on the living room carpet. We never wrestled with him again! He only weighed about 75 pounds at the time, but his hind feet left bruses from my ribbs to my belt.
Soory to rant, but I hate to see folks using lethal force when they can enjoy nature without the necissity of killing it.