Eight of us go fourth, not back, to protect our king from an attack. What are we?

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?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

what one word does the below rebus identifies?

Solve below rebus puzzle?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS