Yes
Even if it's in a jailcell, sharing a sink and a bunkbed with the very pirates he spent the whole of his life chasing
If you think I am biased, I would also argue the CDs may repent in the end and have theorized as such in some of my older posts
Although, unlike the CDs who I think will only repent in prison, I would envision Akainu's change of heart to occur in a circumstance where his great powers would not go to waste, if you know what I mean