It looks like it's still pretty earlier in the tournament. How many people are left? Cutoff has a pretty big M and while he may just be trying to steal in position, you don't really have a hand to defend that with. I would fold. You can't just flat call so your only other option would be to try shove to pick up the pot. There's no reason to risk your tournament life on A8o. I just fold and wait for a better spot.