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

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

I look at you, you look at me, I raise my right, you raise your left. What am I?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

People put me on the table and cut me but do not eat me. What am I?

There is something which is always coming but never arrives?

I have teeth but i don't bite. Who Am I ?

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?