He does, he is full of regrets from his past. Regrets makes you fear death
You skipped Wano, He got over all that
-He also saved both Luffy and Nami to safety like 2 arcs after just barely meeting them and nearly died in an avalanche that broke his ribs
-Also willingly offered himself as a sacrifice to big mom meaning eminent death
-Wanted to die for Luffy when Kuma threatened to take him
-Took double the thunder strikes from Enel while saving Usopp and Nami and decided to smoke while smiling
In none of those scenes do you see βfearβ You donβt know what fear is