Arrrr they calls themselves marines but mariners I says thar not. I bet none of them swabs could rig a bunt-gasket 'round a mast and jigger if their lives were hangin' in the balance!
Honestly Kizaru....if everyone is killing intent and 100% serious....Kizaru is probably one of the strongest people with his light speed....there's honestly no way he should get caught to be honest...hence giving him a drawback of a lazy ass personality.
Aokiji, sure Kizaru's can move fast, but all Aokiji has to do is sprout an icicle from wherever Kizaru is about to hit. Also Aokiji can redirect/block Kizaru's beams with ice wall.
Aokiji already showed incredible feats so far, he was able to fight against Akainu (weakness of his own DF) for 10 days plus he shows good use of haki. I don't see why he can't beat Kizaru. He