Answer:
I am so simple that I can only point. Yet I guide men all over the world.
A mile from end to end, yet as close to as a friend. A precious commodity, freely given. Seen on the dead and on the living. Found on the rich, poor, short and tall, but shared among children most of all.
If you spot one of these eastern warriors, they're not doing their job right.
It happens when something has been cut with H2O.
What is the heart of many risks, has a heart, but is not a living being?
What covers its face with its hands, speaks no language, yet most known what it's saying?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?