If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

Role Action
Block Prevents the target player from acting
Redirect Change target player target.
Save Protects the target player from death.
Seer Sees all actions that occurred
Murderer Kills the target player

The following five players are playing:

Andy
Brian
Chris
Daniel
Fred

You are Andy the Seer and you saw the following things:
a) Brian was redirected to Chris.
b) Chris was blocked.
c) Daniel was killed.

Who is the murderer then?

Which letter of the alphabet has the most water?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Can you make four (4) nines (9) equal 100?

What will you call your mother's brother's brother-in-law?

Four cars come to a four-way stop, each coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. All 4 cars go, but none crash into each other. How is this possible?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?