Question

I am helping you...you are friend of my son.(conjunction).​

Answer 1

i am helping you because you are friend of my son

Answer 2

I am helping you because you are a friend of my son.

EXPLANATION:

A "conjunction is a part of speech" which connects phrases, clauses, or words. Conjunctions enable to form complex and elegant sentences and preventing choppy sentences or several short sentences. The above conjunction ‘Because’ is termed as a "subordinating conjunction'.

A subordinating conjunction links an "independent and a dependent clause". It can indicate a cause-and-effect association, a contrast, or any other kind of relationship between clauses. Subordinating conjunctions do not need to necessarily be in the "middle of a sentence". It is essential that it be has to be part of the "dependent clause", but the dependent clause can come before the independent clause.