No, Boba Fett generally wasn't afraid of Darth Vader; he showed immense respect and confidence, even standing up to the Sith Lord, indicating a unique, almost respectful professional relationship rather than fear, though Fett was cautious and knew Vader's power, he never buckled under it.
Boba Fett and Darth Vader had a strong friendship, mirroring that of the relationship Vader had once held with his clone captain: Rex, during the Clone Wars. Fett and Vader held a huge amount of trust for each other, with Vader even trusting Fett to know his true identity. And the two respected each other immensely.
Fett respected Vader's power, but he never feared the Sith Lord.
Vader's lightsaber skills and Force abilities give him the edge in direct combat, while Fett's gadgets, beskar armor, and tactical prowess make him a deadly and elusive adversary.
In canon it was Kirak Infil'a , Cere Junda, Obi-Wan and Lord Momin . All messed him up quite badly with Kirak winning round 1 but losing round 2 and Momin cutting off his arm. Obi-Wan actually beat Vader. In Legends it was Shaa Koon, An'ya Kuro, a clone of Maul and Galen Marek.
In The Clone Wars, Boba Fett was near obsessed with the prospect of killing Mace Windu, and didn't seem to care much at also having the opportunity to kill Anakin Skywalker when the opportunity came up, focusing solely on Windu.
The young Boba swore vengeance against Jedi Master Mace Windu, who killed Jango, and teamed up with a group of bounty hunters that included Aurra Sing and Bossk. Their plot to kill Windu failed, and Boba realized that he had gone too far in trying to kill the Jedi Master—but he vowed never to forgive Windu.
Obi-Wan Kenobi (at peak, Mustafar era) - Already beat Vader at his prime (Anakin) once. Post-suit Vader is even slower and less versatile. Luke Skywalker (post-ROTJ Legends or Canon TLJ era) - Becomes one of the most powerful Jedi in history. By TLJ, he's surpassed Vader by a wide margin.
It kicks off right after the end scene of ROTS and shows Vader beginning his hunt for Jedi in his new body. His very first target is a Jedi Kirak Infil'a, a Jedi who lived for combat who nearly kills Vader.
Vader breaks free of the operating table and takes a few steps before doing the only thing anybody in his position could do, he screams an unholy, bloodcurdling scream. His vocal computer has nothing close to this sound in its database so it translates it to the infamous 'Noooooooooo'.
"Nevertheless, Vader remained tremendously powerful in the Force, noted to hold eight-tenths of the strength of the Emperor, who was noted to be the most powerful Sith Lord in history (although he admitted openly he was not capable of defeating Sidious alone, Vader was confident that with aid from an apprentice of ...
I genuinely believe ahsoka was one of yoda's favourite Jedi ever!!! : r/StarWars. Unofficial community for Star Wars, an American epic space opera franchise, created by George Lucas and centered around a film series that began with the eponymous 1977 movie.
C-3PO did not recognise him. The golden protocol droid had had his memory wiped and so retained no knowledge prior to serving the Organa family. Had Vader looked the same as when he had gone by the name Anakin Skywalker, C-3PO would still not have recognised him.