There's not enough information to say exactly who Beckett is. It could be a random person with that name who has had an impact on fanfic. Maybe it's a pen name or an alias of someone within the fanfic community or someone who has some sort of authority over the works that fanfic is based on.
Williams in the '600 lb life williams story' is likely a person who is the focus of that particular story within the context of the '600 lb life' series. He might be someone who has been living with obesity at 600 lbs and is either on a journey to lose weight or is facing various challenges associated with his weight, like health problems, social isolation, or problems with mobility.
I don't know who St Jude Beckett is in this story as I haven't heard of it before. It could be a fictional character or a real person that only a small group of people are familiar with.
It's possible that Beckett and Josh are characters in a fantasy - themed fanfic. Beckett could be a wizard in training and Josh a brave knight. They secretly meet because there are dark forces in the kingdom that would not approve of their alliance. Their meetings are crucial for sharing knowledge and planning strategies to save the kingdom from impending doom.
There are so many Williams out there. It could be a fictional Williams. For instance, in a storybook, there might be a Williams who is a wizard with magical powers. He uses his powers to protect his village from evil forces.
I don't think so. 'Beckett' is more likely a fictional narrative designed to tell a compelling story rather than being an accurate reflection of real events. Maybe some themes or emotions could resonate with real-life experiences, but the plot itself is likely made up.
Well, without more context, it's hard to say exactly who Williams is. There could be many people named Williams. It might be a story about a friend named Williams, perhaps his journey through life, his achievements, or his experiences in a particular place or situation.
He could also gather evidence of Alexis' attempts to hurt him. If it comes to it, he can use this evidence to expose her actions to those around them, like mutual friends or authorities in their fictional world. Another way is for Beckett to strengthen his own defenses, both physically if it's a more action - oriented fanfic, and mentally by not letting Alexis' actions get to him.
A coworker who has a crush on Beckett might be a main character. They could be the one who stays by Beckett's side the most during his recovery, and this could lead to a romantic sub - plot.