Using old raw coconut butter

So I was making a vegan cheese with coconut butter and found three jars of old raw coconut butter. The best by date is August 2019 and I want to do something with the butter. Note I will not be using this butter in any food products.  Could I use around the home? Such as:

Candles?

To grease tools or something?

Any other ideas that come to mind.

I have about 40 oz of this and I am willing to try to use this up.

I would use it to make a salve.

Edited to add:  Sorry mis-read that as Coconut oil.  Not sure that coconut butter would work in a salve

I used to buy it as a skin conditioner.  It was kept in the refrigerator like butter.

Seems as long as it smells okay that would be good.  

I think coconut butter is what I would call creamed coconut. Like Anne said I would check whether the butter is actually rancid. If it is I don't think I would use it on my skin either (it can be used as Anne says in lotions and skin creams)
I'm pretty sure you could use it for candles. I found one site that mixed it with beeswax for candles, so that could definitely be an option. Might be good as a wood preservative - chopping boards and wooden spoons, or non food wood like tool handles. Worth a try perhaps.

Oh I have some older coconut butter (10 years old)... I don't think it'll taste good anymore but I've been holding onto it hoping to come up with a use for it too.

Candles maybe could work but would probably be smoky. Coconut butter is all the fat and the fiber, mixed together, and slightly gritty.

I liked baking with it but it was such a pain to get it to soften enough to use it so when I didn't have extra time, I'd end up reaching for a can of coconut milk instead... which is why I have these old packages of it hanging around.