Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

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

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

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

I have eight fingers and two thumbs but I do not live. What Am I?

What is always in front of you but can’t be seen?

It is always ahead of me yet I can never see it. What is it?