Wait and await

I am awaiting for my friend. (Incorrect)

I am waiting for my friend. (Correct)

Speakers often mention what or who they have been waiting for.

Example:

• Who are you waiting for?
• I am waiting for my friend.
  

The word await means wait for.

It is not followed by the preposition for.

It takes an inanimate object.

Example:

• He is awaiting your reply.

The object of await is not a person and the word await is used in letters, emails and poetry.

Mary is awaiting me. (Incorrect)