Hmmm.....
How many? Group = more than two I think, so let's say 3. With axes and machtes, wanting to kill me for an unknown reason in a desert.
Are they buff and how much combat experience do they have? THIS is critical, otherwise I could use my fencing skills to my advantage. I'm hoping they don't have much.
1. Make sure to only engage 1 dude in the beginning, by backing off if they get too close.
2. Hopefully an axe guy comes forward, this is an easier weapon to disarm since you can grab the wooden end and also deflect it with the side of your arm, a machete is much more dangerous.
3. Allow him to swing at me a couple of times before trying to catch his axe with my sweater, and pulling it out of his hands (hopefully).
4.Back off quickly so that i can grab the axe and disentangle it from the sweater. Now, either the unarmed dude will try to grapple me, or his frriends will attack.
5. If the unarmed man attacks, i would wait before striking. IF he stands and is challenging me, but his friends are too far behind, I would close in (due to his lack of experience he would not realise that I am too close (this happens a lot when fencing)) and then perform a quick modified lunge, maiming or injuring him.
6. Backing of quickly again from the body, I would circle the other two so that the sun is behind me.
7. 2 armed opponents vs me = probable death.
8. Due to me being armed, and due to their friend, they would become more cautious and probably kill me.
8b. If one of them again went for me, alone, I'm pretty confident that i could parry him and counter, striking him in the chest.
9. Quickly take the machete and face the last dude.
10. Switch my weapons so that the machete is in my right hand, and the axe in the left.
11. Edge closer to the last dude,
12. Throw the axe and lunge at the same time.
13. Hopefully survive

But most likely i would die, i expect these dudes to be stronger and more combat experienced than me.